Spark Plug Rethreading Tap Thread Repair Set Kit M10 x 1 4 Inserts Re-Thread
M10 x 1.00mm Thread size. 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. Special HSS tap with 16mm 6 point drive.