The ARES 7-pc Master Thread Chaser Set, No. 10100, includes seven thread chaser tools in the following sizes: M10 x 1.00/M14 x 1.25 combo tool for spark plug service, M12 x 1.25 and M18 x 1.5 for cleaning threads on two common O2 sensor sizes, M14 x 1.25 standard length and M14 x 1.25 limited access long length for additional spark plug coverage, and M20 x 1.5 and M22 x 1.5 to clean threads on NOx and soot sensors. Each tool is made of heat-treated carbon steel with a corrosion-resistant black manganese phosphate finish for increased durability, and each single-application chaser features a square drive design, providing versatility for use with ratchets for ease of clearance.
