10 Best Double Flare Tools 2025 in the United States

The SEEKSELF Professional Brake Line Flaring Tool Kit is designed to handle 45-degree single, double, and bubble flares on various metal tubes like steel and copper, making it a versatile choice for brake and plumbing work. It supports common tubing sizes from 3/16" up to 3/8", covering most small to mid-size brake line jobs. The tool is built from sturdy steel, which should hold up well over time, and the split dies have safety features to prevent slipping during use.

While it requires mounting on a vise for stable operation and is not meant to be used directly on a car, its long lever handle helps reduce effort, especially for right-handed users. The included instruction manual is a helpful guide for beginners. The kit is portable with a plastic case for storage and transport, but it is a bit heavy at nearly 9 pounds.

This kit suits amateurs and professionals who need a reliable, all-in-one flaring tool for brake lines and similar tubing. Users should take safety precautions and have a proper vise setup to use it effectively.

The TGR Professional Brake Line Flaring Tool is designed to cater to various flaring needs with its capability to create single, bubble, and double flares. It includes dies for multiple tubing sizes (3/16”, 1/4”, 5/16”, 3/8”) which provides flexibility in handling different projects.

The tool mounts securely in a vise and features a T-handle screw clamp to hold the die and tube firmly. This ensures ease of operation even for users who might not have extensive experience with such tools. Its ease of use is further highlighted by the fact that each unit comes pre-tested from the factory, giving users confidence in its functionality right out of the box.

Portability might be a slight drawback as the need to mount the tool in a vise could limit its use to more stationary setups. This also means it remains stable during operation, reducing errors or mishandling. This flaring tool is particularly suitable for DIY enthusiasts or professionals who need a reliable and versatile tool for brake line maintenance or other tubing work.

The TGR Professional Brake Line Flaring Tool is designed to create precise single and double flares on brake lines, fuel lines, and transmission cooler lines. It supports 3/16", 1/4", 5/16", and 3/8" tubing sizes and works well with a range of materials, including steel, stainless steel, and softer metals, making it versatile for various automotive and mechanical projects.

This tool includes dies for both 45 and 37-degree flares, covering common flare types used in many brake and fuel line applications. Users will appreciate the ease of operation—this tool is designed to be quick and straightforward, saving time when working on line fittings. It is solidly built, contributing to durability, and it comes with a sample flare from factory testing to help ensure quality.

The tool weighs over 11 pounds, which might affect portability if frequently carried to different job sites. While it has strong user ratings and is well-regarded, it holds a moderate position in automotive tool sales, indicating it may not be as widely known as some other brands. It is suitable for both DIY enthusiasts and professionals seeking a reliable, versatile flaring tool that covers the most common tubing sizes and flare types.