Professional tool for commercial or occasional use Spark plug threads repair kit Special HSS tap with 16mm 6 point drive Suitable for damaged spark plug threads 4 threaded inserts in different lengths HSS 4241 Steel for strength and durability M10 x 1.00mm Thread size Cleans and rethreads spark plug ports SET INCLUDES THE FOLLOWING M10 x 1.00 Inserts total length 9.5mm M10 x 1.00 Inserts total length 11.5mm M10 x 1.00 Inserts total length 12.7mm M10 x 1.00 Inserts total length 19mm 1 x Tap Reamer

M10 x 1.00mm Thread size. HSS 4241 Steel for strength and durability. 4 threaded inserts in different lengths. Suitable for damaged spark plug threads. Spark plug threads repair kit.

Date First Available: December 14, 2017. Best Sellers Rank: #468,651 in Health & Household (See Top 100 in Health & Household) #237 in Wart Removal Products. Customer Reviews: 4.4 4.4 out of 5 stars 76 ratings 4.4 out of 5 stars. : B075F85DKN. Product Dimensions: 6.69 x 3.54 x 0.79 inches. Item Weight: 3.07 ounces.