Built to Last: Each thread chaser is made from premium heat-treated carbon steel with a black phosphate finish, hardened to HRC 45-55, providing excellent durability, extended lifespan, and superior corrosion resistance.

Comprehensive Kit: This master thread chaser set includes seven thread chaser tools, covering a wide range of automotive thread repair applications, all packed in a durable storage case. The rethreading tool kit includes the following thread chaser sizes: M10 x 1.00/M14 x 1.25 combination tool, M12 x 1.25, M14 x 1.25 standard length, M14 x 1.25 limited access long length, M18 x 1.5, M20 x 1.5, and M22 x 1.5.

Reliable and Efficient: The thread restorer kit is designed with a square drive for added flexibility and convenience, making it compatible with ratchets for smooth operation even in tight spaces. This improves work efficiency and reduces operator fatigue.

Wide Application: The thread repair kit's seven unique thread chasers cover a wide range of thread repair applications. The M10/M14 combo tool offers two sizes for spark plug repairs, while the M12 x 1.25 and M18 x 1.5 tools easily clean threads for two common O2 sensor sizes. The M14 x 1.25 tool provides additional spark plug coverage with a smaller size tool for limited access, and the M20 x 1.5 and M22 x 1.5 tools clean threads on NOx and soot sensors.

Convenient Storage Case: The thread repair kit includes a carry case to keep all your thread repair tools neatly organized, and allows for easy transport from one job to the next, ensuring a hassle-free experience.