Best Brake Line Flaring Tool Review 2021

Last Updated on July 16, 2021

Best Overall

TGR Professional Brake Line Flaring Tool
TGR Professional

The best brake line flaring tool

Based on our extensive research of all the brake flaring tools that are available in the market, we concluded that the “TGR Professional Tool” is the best of them all.

It excels among other picks in terms of its durability, functions, and efficiency.

What exactly is a brake flaring tool? It is a toolset that helps you to repair your brake system once it starts to wear out. The brake system in your car is a very crucial mechanism that always needs to be at its best state to prevent accidents.

And therefore, it is very necessary to have the best brake line flaring tool on standby to take care of this important system. In the long run, when you will run into difficult brake-related issues, you can just use this tool to fix it.

But there are plenty of these available in the market under different brands. So, which one should you buy? To guide you through, we have prepared this list of the best available in the market.

10 Best Brake Line Flaring Tool Reviews

The brakes of an automobile are one of the most essential and crucial parts of its system. Its failure can even turn out to be lethal. Therefore, to ensure the proper maintenance of this system, we have picked out the 10 best flaring tools for your car’s brake line:

1. TGR Professional Brake Line Flaring Tool

A brake in an automobile is a delicate system that sends the brake oil fluid to the master cylinder enabling the car to stop. To transmit this oil, the brake line needs to be airtight and completely free of air bubbles.

Only an airtight environment can help brake work properly. And in order to ensure this, flaring is necessary. The TGR professional does this job perfectly.

The job of flaring needs to be perfect to ensure that there are no leaks on the brake line. And the TGR tool provides exactly that. It helps the user to materialize bubble, single and double flares within a few minutes.

You can use this tool to make flares in difficult to reach spaces of the vehicle, including the bottom of your car. Moreover, the flare can also be used to cool down fuel lines and brake lines.

The TGR professional kit comes with four different types of tubing. The instrument is compatible with materials like steel, stainless steel, and metal tubes. The application method of this apparatus isn’t very difficult, and one can easily learn it by going through the instructions.

Besides, the reason why this tool was picked as our top choice is that it comes with a sample flare that users can test before actually using the main product. This gives the user the freedom to change the product if they do not like its service. Many users find it to be the best bubble flare tool they’ve ever used.


  • Comes with four tubes
  • Sample flare provided
  • Can make single, double and bubble flares
  • Compatible with a variety of vehicles


  • Bubble flare is a bit complex to make
  • Requires a lot of strength to use it on stainless steel


2. MASTERCOOL 72475-PRC Universal Hydraulic Flaring Tool

Mastercool is one of the most renowned manufactures of brake flaring tools that have been serving in this industry for quite some time. If you are a fan of premium quality flaring tools with the fanciest and the best features, then this tool is the one for you.

Despite being premium, it is loaded with features that make it unique among its counterparts.

The overall kit from Mastercool is adjustable and very popular amongst car users. Due to its variety of exciting features, you will be fully satisfied with its service. For example, it comes with a range of flares, starting from connecting metric flares to GM line flares. They even have a transmission flare to help with the task of flaring.

Furthermore, the flares are available in different sizes, which makes it compatible with a variety of automobiles. The super magnetic adapters keep the adapter in the right position.

You can use this apparatus on soft steel as well. Moreover, the toolbox contains a mini tube cutter that can be used on different sizes, starting from 1/8 inches to 5/8 inches of brake lines.

As a result, you can obtain perfect results no matter what the specifications of your brake line are. In addition, adjusting the kit is very simple and easy, which means it can be done within a matter of minutes. And since this is a premium tool, it is suitable for both personal and professional use.


  • Includes a mini cutter with the package
  • Capable of both personal and professional use
  • Can make single and double flaring
  • Easily adjustable


  • Tranny lines are missing
  • The packaging is not up to the mark

Read Next: Jeep Wrangler JK Brake Pads

3. Titan 51535 3/16-Inch Double Flaring Tool

While some prefer to buy premium products, some like budget-friendly ones that can suit their needs and do the job nicely. To fulfill the needs of the budget-conscious people, our top budget pick is the Titan 51535, which includes all the features of a high-quality flaring tool.

Out of all the similar products that fall within the same price range in the market, this one is the best double flare tool in terms of its serviceability and functionality.

To start on why this one is our top budget pick, its features need to be explained. Firstly, the tool has a design that makes it very user friendly. As a result, it is suitable for both personal and professional use. Not only this, but you will also get a detailed instruction manual once you open the packaging.

This manual is enough to guide you thoroughly on how to make 45-degrees angled flares within a matter of minutes. On top of this, the titan tools 51535 has a completely compact design, making it compatible with different types of vehicles.

Another great advantage of using this kit is, you don’t need to remove the brake pipe of your automobile to flare it. You can just start doing your job with the assistance of other additional tools that come with the kit to make things easier.

On top of this, if you prefer a bench vise, its 3/16-inch flaring tool’s handle can swiftly be removed when deemed necessary. This gives you flexibility while working. Lastly, the kit contains a set of lubricant that can be used on the brake lines.


  • Kit contains clamps
  • Suitable for use in tight spaces
  • Removable handle
  • Easy to use


  • Not available in a variety of sizes
  • OP1 is not marked appropriately


4. OTC 6502 Master Brake Flaring Tool Kit

A brake line flaring tool kit needs to be precise and perfect in what it does. Otherwise, it will turn out to be a futile investment. Keeping this in mind, the manufacturer OTC has produced a one of a kind tool kit that perfectly does its job. It makes the task of fixing broken brake lines very easily and seamlessly.

You don’t need to be a professional to work with this apparatus. Its easy mechanism of work can be learned by anyone.

The ISO bubble flare tool kit from OTC can perform several different kinds of flares. This ranges from bubble flares, double flares to simple single flares. As a result, you get the option of versatility while working with it.

On top of this, the kit also contains additional tools that help in the process of flaring by making the job smoother. For example, tools, tubing cutter, deburring tool, and a flaring bar are provided to simplify the task of flaring.

Another great factor of using this kit is its lightweight. It only weighs 4 pounds, which makes it quite easy for you to carry it around with you. As a result, if your car faces an unprecedented accident, you will be ready to repair it immediately.

On top of this, all the items in the kit are put inside a well-made compact case. This case helps you to organize all the items in place and not lose them.


  • Lightweight
  • Compatible with copper-nickel, steel, and copper pipes
  • Portable
  • Comes in a compact case


  • Process of bubble flaring can be difficult
  • Only lasts for a few years


5. RIDGID 83037 Model 458R Flaring Tool

The fifth pick on our list is an amazing tool kit from Ridgid that does the job of brake flaring perfectly. It is capable of performing all the necessary functions that a good tool kit should be able to do.

It is equipped with modern flaring technology that will help you to fix any brake line issues anytime, anywhere. Moreover, its performance delivery is precise and smooth.

The flaring made by this tool kit is compatible with different types of materials like steel, stainless steel, hard copper, and even brass tubing. It can penetrate a thickness of 0.035 inches that makes it eligible enough to work with a variety of automobiles having different types of brake lines.

On top of this, the kit contains a ratcheting handle that helps the user to apply less force in confined areas.

Apart from reducing the strain on the user’s hands while using the apparatus, it also works very fast and can solve issues within minutes.

Besides, the tool also contains a handle clutch that can be easily released upon completion of the flaring process to assist in ironing and smoothening the flare. The flares made by this tool ranges from 1/8 inches to ¾ inches.


  • Includes a steel flaring cone
  • Easy to use
  • Capable of producing 45 degrees SAE flares
  • Compatible with steel, hard copper and brass tubing


  • Clutch tends to get jammed
  • Does not contain a case


6. OTC 4503 Stinger Double Flaring Tool Kit

OTC has always maintained its reputation for producing high-quality products that deliver to provide maximum customer satisfaction. The 4503 stingers double flaring tool is no different from this standard as well which makes it no less than the best double flare tool.

It is equipped with a long list of features that will make the job of flaring easier and fast. The tool kit is also very light and weighs only 1.16 pounds.

Firstly, this tool is capable of performing both double and single flares in different types of brake line tubing, starting from copper to aluminum. It even works on brass tubing and soft steel brake line tubing.

The overall apparatus is coated with a special chrome-plated alloy steel that enables it to swivel and thus achieves friction-free performance. As a result, the flares come out as smooth and perfect.

Different types of adapters are included with the tool kit to make the task of flaring even more precise. The dimensions of these five adapters start from 3/16 inches to ½ inches. The yoke of the apparatus is also made up of heat-treated steel, which gives it longevity and the ability to perform well in the long run. The yoke can be positioned to drive the adapter into the end of the brake line much easier.

In addition, the set comes in a storage case that helps in the mobility and portability of the tool kit.


  • Lightweight and easy to carry
  • Capable of making double and single flares
  • Contains a plastic storage case
  • Durable and long-lasting


  • The clamp is not tight enough
  • Steel line or poly-coated line is not compatible with the clamp and using it can result in rusting


7. Neiko 20656A Auto Double Flaring Tool Kit

Although this brake flaring kit from Neiko is a bit on the heavier side and weighs about 2.35 pounds, it does a precise job of fixing broken brake lines.

The main task that is required to be performed by a flaring kit is flaring lines perfectly to ensure a healthy and fit braking system of an automobile. And the Neiko flaring tool does exactly so.

This tool kit is capable of performing two types of flares- both the single one and the double one. In fact, flaring can be done on different types of materials. For example, you can use it on copper, aluminum, brass, magnesium, and even soft steel brake line tubing.

Moreover, this gives you the flexibility to work with a variety of different types of brake lines and automobiles.

The design of this tool is done in a precise manner to ensure maximum durability. Its body is forged with steel treated with heat, which gives it the capacity to endure extreme pressure.

The blow molded case provides a suitable handle for easy travel & portability. It also provides extra storage for the kit.

Moreover, the swivel of this apparatus is made up of alloy steel and chrome-plated material. This helps in reducing the friction while working on the brake lines and thus prevents corrosion.


  • Contains five types of adaptors having sizes from 4.8 mm to 12.7 mm
  • Plastic storage provided
  • Portable
  • Compatible with a variety of materials


  • Does not produce even flares
  • Needs some restructuring to perfect its performance


8. Shankly Flaring Tool Set (10 Piece – Professional Grade)

This flaring tool kit from Shankly is an all in one tool kit combining all the different accessories and parts needed to do the task of flaring a brake line smoothly.

It contains ten pieces of such accessories and thus helps the mechanic or the user to do his job without having to worry about looking for parts in the middle of the task. However, the only downside of this kit is its inability to perform double flares.

This tool kit contains a wide range of adapters, which have sizes of 1/8 inches to 5/8 inches, respectively. As a result, you will have the flexibility to use a wide array of adapters of eight different sizes. Moreover, the set is also equipped with five swage fittings along with different tube sizes ranging from 3/16 inches to 5/8 inches.

Further, this flaring tool kit has a rugged appearance and can serve you for a long time. It is made of high-quality steel materials with a chrome finish that makes it extremely strong, durable, and long-lasting.

It also gives it integrity and allows you to use it as a swivel-type swaging adapter. The overall body is given a finishing touch of chrome that enables you to achieve precise results with smooth operations.


  • Includes a self-centering steel yoke
  • Long-Lasting
  • Comes with a variety of accessories
  • Convertible and easy to use


  • Does not have the capability to perform double flaring
  • Clamp does not ensure tight locking


9. KTI Professional Vise Mounted Brake Line Flaring Tool KTI70081

KTI is a trusted manufacturer when it comes to delivering outstanding kits for repairing cars and other vehicles. They design their products, keeping both personal and professional use in mind.

As a result, you can use this Professional Vise Mounted kit by yourself to repair your car by following the necessary instructions. It can also be a perfect kit for you if you work as a mechanic.

This kit can make three different types of flares, starting from the single flare, to the double and bubble flare. Each of the flares that it makes can be formed at an angle of 45 degrees.

Moreover, the tool is capable of doing its job on different types of materials like OE steel, stainless steel, and even soft metal tubing. Therefore, this tool kit gives you the flexibility to work with a range of brake lines.

Not only this, but the tool kit is also compatible and can be used with 3/16 inches of diameter liens to the 3/8 inches one. It is also applicable to the 5/16 inches diameter lines.

In addition, the brake flaring kit can be mounted on top of a turret. It has a T-handle screw clamp that can quickly set itself in place and get attached tightly to the brake line.


  • Contains a T-handle screw clamp
  • Can be used with a range of diameter lines
  • Ability to make single, double and bubble flares
  • Easy to use


  • Difficult to mount on a workbench
  • Does not contain a lot of additional accessories


10. Yellow Jacket 60295 Flaring Tool with Eccentric Cone

Although this product is the last pick on our list, it can perform all the essential tasks that a flaring tool is needed to fix a brake line. It is a basic type of flaring tool kit devoid of fancy features.

It does not even include a carrying case, which can be a hindrance to making it portable. It also weighs a bit heavy. Therefore, this tool is suitable, more suitable for personal use.

The features of this tool are quite good despite some of its downsides. For example, the apparatus is capable of producing 45-degree angled flares, which are even and uniform. This ensures precision in flaring and proper performance delivery.

Also, its main body is made up of hardened steel that works like a cone. It can perform a rolling action that helps to achieve desirable flares.

The Yellow Jacket flaring tool is compatible with a wide array of materials like aluminum, copper, and black oxide. It can work on tubes measuring 3/16 inches to ¾ inches.

It also includes a large feed screw handle that enhances the flexibility of the user during working with this tool. Therefore, if you need a simple and basic flaring tool, you can use this one.


  • Produces even flares
  • Easy to use
  • Includes a large feed screw handle
  • Body made of hardened steel


  • Heavy
  • Does not contain a case to carry it



In this article, we listed down the 10 best brake line flaring tool for your ease and convenience. However, you still might be confused amidst ten different choices about which one to pick.

To make things even easier for you, we recommend the TGR Professional Brake Line Flaring Tool- 45 Degree Set – Single, Bubble, and Double Flares and the Titan 51535 3/16-Inch Double Flaring Tool.

Both of these tools are extremely efficient in performing their tasks and include all the features that make these the best amongst all to be used both professionally and personally.


Brake Line Flaring Tool Buying Guide

Brake failing can cause a dangerous accident which is good enough to ruin your life. That’s why you need a good brake flaring tools to support and protect from unanticipated brake failures.

In this point, I will be talking about all the necessary things that you need to know before going to purchase the Brake line flaring tool.


You will find a plethora of this kind of tool that exists in the market with many styles and each type has an individual specialty. So, you need to come into the view which fitting style suits you.

However, there are several types of flares. Give them a quick check before moving into the next part.

Single Flare: Single flaring is not designed for steel brakes and automotive components because it can’t handle the high-pressure brake system that is found in cars. Single flare can be flared only one time. While flaring you must pay proper attention as it comes in a conifer shape and the possibility of cracks and leaks is high.

Double Flare: The double flare is manufactured with the same as single but it has the capability of handling variations. The double flare is a universal tool kit and referred to as an inverted flare or a 45-degree.

Double flare comes as a very small tunnel that enters the tube and seems like 45 degrees as its angle of the back-side is an at-45 degree. However, double flare is considered the best for the automotive types. It makes the flare more strong and suitable for the high-pressure brake system.

Bubble Flare: This type of flaring is different from the double flare angling the rear about 90 degrees. Recognizing bubble flair is much easy as the tubing of bubble flair comes like a button.

Bubble flair is very popular for vehicles. A product like ABN bubble flare is very popular with customers.  The uniformity with the double flair tool and best bubble flair tool is that the interchange is not possible with the flare type of earlier.


On Car Flaring Tool: On Car flaring tool is a handheld tool. This tool is used for making flares by retaining the brake, On Car flaring tool is a compact tool that you can use under the hoods. You will not get this feature in the other style of flaring tools.

Vise Mounted Flaring Tool: Vise Mounted flaring tool style is the convenient and professional style of flaring tools. This style is effortless and takes a few steps.

Asking about the quality? these tools ensure an excellent quality of flares. However, you will be able to make bubble, single and double flares using these tools. This is an excellent flaring tool.

Hydraulic Flaring Tool: This one is a bit expensive but durable, versatile and efficient. The method of Hydraulic flaring tools is a bit slower than the previously mentioned vise mounted one.

Hydraulic flaring tools can be used for creating all sorts of metric and standard flares on brake and fuel lines, cooling lines and so on.

Whatever, Hydraulic flaring tool kits offer a die adapter set of different sizes. Whatever, If you are fond of hydraulic tools, then you may go for this one.

Conventional Flaring Tool: The cheapest flaring tools that you can afford in Conventional flaring tools. But, the drawback of this tool is it takes a longer time for flaring. However, Few Conventional flaring tools can only create both single and bubble flares.

Things to Consider Before Buying Brake Line Flaring Tool

Without it, you need to consider a few more things. These are-


The first thing you need to keep in mind is the dimension of the tool kit. Because it will enable you to store it comfortably while you are not using it.

Durable Material

Reliability and durability are a must for any tool. For better results, you can go for copper-nickel alloys. This one is both durable and strong.

Flare Quality

It does not matter with which types of flaring you are dealing with, the flare’s quality should be ensured. Because if your flaring tool is unable for creating quality flares, then there is a risk of a brake fuel leak and it ultimately leads to brake failure.


Before you buy a brake line flaring kit, you need to make sure that the flaring tools in the kit have no leakages. Brake line flares have to be leakage-proof. It should be made of solid fittings. If brake fluid leakage happens, the brake caliper will not work properly.


There are different type of flaring tool available in the market and each tool are used for some particular applications. For example, you can’t go to a single flare for dealing with your cars. So, you should keep in mind about the applications of flaring tools while purchasing.

Size of Adapters

As you may need to create different sizes of flares. The common lines are 3/16″, 1/4″, 3/8″, 1/2″. So, be careful so that your purchased flaring tool accepts maximum metric and standard brake lines.


Make sure that your purchased flaring tool is efficient. The tools that come along with the double flaring, made the process of fitting pipes efficient and straightforward. The main components of the flaring tool are a metal piece, a metal bar, and a crew.

In order to achieve maximum efficiency, these three mentioned should have to make their attendance in the brake line flaring tool. You can idea about an efficient flaring tool from its tight fittings while purchasing.


Generally speaking, a quality brake line flaring tool will be a bit pricey. It will demand a bit more than the low-quality one. You can’t always go for the cheaper one. If you have a low budget, then you have to make a compromise between the price and quality.


Considering the portability while purchasing is always a good idea. An ideal kit should offer you to use it around the world with ease. However, if you are a professional and need to travel on the job, then you should go for the portable one.

best brake line flaring tool

FAQs for Brake Line Flaring Tool

What is the best brake line flaring tool?


Do brake lines need to be double flared?

Double-flaring the brake line is recommended for durability & longevity as single-flared brake lines tend to crack down easily.

Can you flare a stainless-steel brake line?

Stainless steel brake lines can be flared either in 37° Single Flaring or 45° Double Flare.

What size should my brake line be?

The 3/16-inch line is suggested for most applications. Although the 1/4-inch line is also used by some rodders.

What is the best brake line material?

Stainless steel and nickel-copper alloy are the best brake line materials.

Is bubble flare the same as double flare?

Leave a Comment