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Best Brake Line Flaring Tool

Best Brake Line Flaring Tool

Is it time to adjust your brake line? Then you will need a brake line flaring tool! 

These can be valuable tools that will improve your car and its braking abilities.

Whether you need to fit brakes, transmission lines, cooling, or fuel, a brake line flaring tool can help you achieve these without the need to visit a mechanic. 

But which is the best brake line flaring tool? Finding the right one can be a challenge.

There are lots available these days, and the price can vary dramatically.

If you have never purchased a brake line flaring tool before, it can be an overwhelming and daunting task to undertake. 

But fear not, because we have done our extensive research and found the best brake line flaring tool for you!

Keep reading to see the best on the market, our helpful buyer’s guide, which will show you what to look for, and an FAQ section to ensure you leave here today ready to buy your new brake line flaring tool! 

In a hurry? Check out our top pick to grab your tool and go!

Best Brake Line Flaring Tool Reviews

Titan 51535 3/16-Inch Double Flaring Tool 

Titan 51535 3/16-Inch Double Flaring Tool

If it’s outstanding quality you are after without robbing a bank, Titan’s double flaring tool is the one for you!

The tool is reasonably priced and comes in 3 size options: 1 /4 inch, 3/16 inch, and a 3/16 inch brake line cutter.

It is straightforward to use and comes with detailed instructions making it great for beginners to create the perfect double flares. The tool is compact, too, making it great for storage. 

The removable handle is an excellent feature of the tool, allowing you to use the tool in a bench vise if required.

The tool creates a perfect inverted 45-degree flare that is great for use in automotive brake lines. It is also suitable for use in most trucks as well! 

Thanks to its small size, you won’t need to remove the brake line to complete your repairs, saving you precious time!

The tool comes with a potioning bolt, double-ended op1/op2 punch, the flaring tool, and die lubricant, providing you with everything you need to get started! 

The tool’s only drawback is that it is not suitable for use on stainless steel tubing. However, if you do not intend to use it on stainless steel tubing, go ahead and purchase it! 

For those after an excellent double flaring tool that will create the perfect inverted 45-degree flares and won’t be using the tool on stainless steel, you should purchase Titan’s double flare tool today!


  • Reasonably priced 
  • Suitable for almost all cars and trucks 
  • Compact design 
  • Creates a perfect inverted 45 degree SAE double flare 
  • The removable handle is a nifty feature. 


  • Not suitable for stainless steel tubing 

More time to browse? Check out our other great recommendations below!

OTC 6502 Master Brake Flaring Tool Kit

OTC 6502 Master Brake Flaring Tool Kit

For those after a reasonably priced brake flaring tool kit, this one from OTC could be the one for you! 

The kit is suitable for single, double, and bubble flares making it extremely diverse! It features a wide range of tools to make adjusting your brake lines a dream. 

The kit is suitable for single flare standard lines ranging from 3/16 inches to 5/8inches, with single metric lines ranging from 4mm-14 mm.

It is also ideal for double flare standard lines, ranging from 3/16 inches to 1/2 inches, with double metric flare lines ranging from 4mm to 10mm. 

It is also compatible with bubble flare standard lines ranging from 3/16 inches to 1/2 inches and metric lines from 4.75mm – 10mm.

That is one diverse tool! Customers were impressed by the tool’s versatility, allowing it to be used with various vehicles. 

What stood out for customers was how easy the tool is to use. Thanks to the finer threads used, you don’t need to use as much force to see results.

This helps to avoid any strains put on your muscles and means you don’t need to be Popeye to adjust your brakes! 

The deburring tool, tube cutter, and arbor press are made of excellent quality. The kit is incredibly durable and comfortable to use too.

The tube cutters are a personal highlight; they easily cut squares and are great for beginners and professionals alike!

Some customers did note that the instructions were a little vague to follow, especially when it came to the double flare lines.

However, there are a wealth of resources available online to assist you if you struggle with the instructions. 

The kit comes in a strong hard case and is super lightweight, weighing roughly 4lbs.

The adapters, arbor press, tube cutter, and debarring tool all fit neatly in the case. Its handle makes it great for traveling also. 

For those of you after a genuinely outstanding brake line flaring tool suitable for a range of flares, there is no better on the market than this kit from OTC.

Although the instructions are not the best, its quality and diversity are unrivaled for its excellent price! 


  • Reasonable priced 
  • Works for single, double, and bubble type flares
  • Stored in a hard carry case 
  • Easy to use 
  • More delicate threads allow you to use less force. 


  • Some customers found the instructions a little vague. 

MASTERCOOL 72475-PRC Universal Hydraulic Flaring Tool Set

MASTERCOOL 72475-PRC Universal Hydraulic Flaring Tool Set with Tube Cutter, Blue and Silver

For those with a bigger budget after a fantastic flaring toolset, MASTERCOOL has the one for you! 

The complete set is universal and boasts several great features!

The set comes with different push connect sizes, metric flares, transmission flares, brake lines, and GM line flare.

What’s great about this tool is it works well with dead soft and annealed steel.

The tool is easy to use and adjust as needed. It works for both double and bubble flaring, making it suitable for a wide range of customers.

The included mini cutters are suitable for 3mm-16mm tube sizes, making tubing a breeze! 

The tool is made from quality materials and feels incredibly durable. Customers were impressed with the leak-free results this tool gave them.

They found the tool fast and easy to use, working excellently on various materials, including marine grade stainless tubing. 

The enlarged die set compression and stabilizing arm are great features, providing enhanced grip and control of the flaring tool.

This is great for those working intricately or who struggle with their grip usually. 

The kit features a hard, handy carry case to store the entire kit.

The case features a built-in handle allowing you to transport it with ease. It is also a nice size stored in your vehicle or garage, taking up minimal space.

The adapters are all magnetic, keeping them perfectly in place while they are in the case. No more rifling through looking for the correct adapter for you! 

For those after a diverse kit that features a durable brake line flaring tool, MASTERCOOL has got you covered! Why not splash the cash today?


  • Complete set with handy carry case
  • Suitable for dead soft and annealed steel.
  • Great for easy tube foaming 
  • Adapters are magnetic to keep them in place. 
  • Great for beginners and experienced users 


  • Expensive 

Shankly Flaring Tool Set 

Shankly Flaring Tool Set (10 Piece - Professional Grade) Heavy Duty Brake Line Flaring Tool Kit and Swage Tool, Flare Tool with Tubing Straightener or Cutter (Not a Double Brake Flaring Tool)

At an extremely affordable price, Shankly’s flaring tool kit is an excellent option for you.

The set is excellent for those looking to use it on standard flares with incredible precision guaranteed!

The set is not suitable for double flares, so it will not be for everyone, but it is also a great option.

The flaring cone and adapters are made from sturdy steel and have a stunning chrome finish. They are great for precise and easy use. 

The kit comes with several tubes, including ⅝, ½, ⅜, 5/16, ¼, and 3/16. The flaring adapters also range from 5mm – 16mm, providing a wide range for any needs you may have.

The kit features swivel-type swaging adapters to allow enhanced precision and are extremely easy to use. Teamed with the flaring cone offers precision that is hard to beat!

The tube cutter is of good quality, and thanks to the tools’ all inclusive nature, it’s great for professionals, although it is not suitable for double flaring.

The slip-on self-centering yoke is an excellent feature in this kit. It allows quality and professional flare to be installed without visiting a mechanic!

The yoke is made from forged steel to provide enhanced strength and durability to the tool. It’s a great feature that not many tools have!

The brake line flaring tool features two bars that cover nine sizes, making it very versatile. 

Customers were pleased with how easy the tool was to use and how well the nuts tightened. They are easy to tighten, too, so you won’t need massive muscles to do this! 

It’s an excellent option for those on a budget after a great single flare tool. 


  • Affordable 
  • All-inclusive standard flaring tool 
  • Self-centering yoke helps form high-quality flares.
  • Easy to tighten nuts 
  • A wide range of adapters included 


  • Not suitable for double flares. 

Neiko 20557A ISO/Bubble Flaring Auto Tool Kit 

Neiko 20657A ISO/Bubble Flaring Auto Tool Kit | 9 Piece | 4.75, 6, 8, 10 mm | For Car Mechanics

Neiko offers an affordable flaring tool kit suitable for a wide range of cars, SUVs, and light trucks. 

The kit features easy to use tools, with four adapters ranging from 4.75 mm – 10mm.

You also get a wrench, flaring bar, and yoke assembly making it an excellent kit to opt for! The items are all safely stored in a blow-molded case, which is easy to store. 

The brake line flaring tool is excellent for domestic and foreign vehicles, as well as a  range of SUVs and trucks! It’s a versatile tool that is great for use at home and by professionals! 

Neiko’s tool is best used for bubble flares and ISO’s, along with metric brake lines. It makes perfect bubble flares, with customers praising its high quality!

Some customers did note that they found the flares to be lopsided on times but still worked well for their brakes.

Many customers did not report this issue, so providing you follow the instructions or an online tutorial, we are sure you will be fine!

The tubing is of excellent quality and provides a leak-proof finish!

Customers reported consistently successful results, giving you a brake line flaring tool you can rely on time and time again. 

The lever lock flaring bar is of excellent quality and makes the tool even easier to use! Whether you are a professional or budding DIY-er, it’s a feature you will love!

For those after an incredibly affordable brake line flaring tool suitable for almost every car, Neiko’s one should be one to consider!

It’s particularly great for those after fantastic bubble style flares!


  • Affordable 
  • Easy to use tools 
  • Suitable for a range of cars, SUVs, and light trucks 
  • The hard plastic case is great for traveling and storage. 
  • Choice of a bubble flare or double flare kit 


  • Some customers found the flares produced slightly lopsided. 

Best Brake Line Flaring Tool Buyer’s Guide

Not sure what you need from your brake line flaring tool? Let our buyer’s guide help you!


There are a few different types of brake lines you may want to do work on, such as double flares, bubble, and so on.

It is crucial to select the best brake line flaring tool to complete the work on your vehicle.

You can buy universal kits, which will be able to work with a wide range of flares, be sure to keep an eye out for these!

Generally, kits will have limitations, and it is essential to be aware of these. 

It is worth checking before purchasing what flares you will be working with to ensure the tool is suitable for you and your vehicle.

It is essential to have a working understanding of your brake system before purchasing your vehicle’s right tool!


Depending on the flaring tool or kit you purchase, there will be adapters included.

The amount and type of adapters will vary based on the kit you purchase. The adapters help piece together the difficult sections of your piping.

They are handy additions, and we would recommend buying and using the adapters that come with your flaring tool and kit. 

By using the provided adapters, you will know that they are guaranteed to work with your tool.

It is often cheaper to buy the tool and adapters as a kit than buying the adapters separately. 

Usually, the tool will come with a range of adapters, and while some may not seem needed to you for your own needs, having a range of adapters can be helpful should you ever need to use them. 


When working with vehicles, your tools need to be made with durable materials.

You want to ensure that the money you are spending will provide you with years of use from the tool.

Look for tools made from durable and lightweight materials that will make the tool easy to handle.

Metal steel materials are being used again, providing strength and durability to your flaring tool. 

As a general rule, your flaring tool should include a metal piece, the crew, and a metal bar to ensure it performs at maximum efficiency and durability.

Tools that can form tight fittings should be at the top of your concern list when purchasing your brake line flaring tool to provide durability and efficiency. 


Nobody wants their brakes to leak fluid. Or any part of their vehicle to leak, for that matter!

Flaring tools made from durable and thick fittings will ensure that any corrosive materials will not leak.

Be sure to keep an eye out for tools listed as leak-proof to ensure your work is not undone by some pesky fluids.

Generally, most brake line flaring tools are leak-proof. A good tip to ensure your selected tool is leak-proof is to check the product reviews to see what other customers are saying! 


When it comes to brake line flaring tools, the price can vary dramatically.

It is essential to set a clear budget and stick to it as closely as possible when searching for your new tool. 

Remember that you don’t need to spend a fortune to get a great quality brake line flaring tool.

Be sure to keep an eye out for any sales or lightning deals to get great value for your money! 

Frequently Asked Questions

Get your last-minute queries answered here!

What should I know before purchasing a brake line flaring tool?

You must have a working understanding of your brake system before purchasing your flaring tool.

Having an understanding will help you when buying the correct flaring tool for your vehicle.

Ensuring that it is compatible with your vehicle is one of the first things you should do when buying your brake line flaring tool. 

Knowing the fittings, pipes, and parts of your brake system and how they work will help you understand what you need from your tool.

Don’t worry if this is all new to you; there are lots of online tutorials you can watch to help! 

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Zach Reed

Hi, I'm the founder of! Having owned a wide variety of vehicles in my life, I was astounded at how hard it can be to find answers to common automotive questions. Rather than sit idly, I decided to create this website to help others!