BGS 166 1 Thread Inserts M12 x 1.25 mm for 4 pcs.

Replacement thread inserts for spark plug thread repair kit product 166 replacement thread insert set, 9.5 mm, M12 x 1.25 replacement thread insert set, 11.5 mm, M12 x 1.25 replacement thread insert set, 12.7 mm, M12 x 1.25 replacement thread insert set, 19 mm, M12 x 1.25 for thread/incline: M12 x 1.25, Weight: 0.0440924524 Pounds, Manufacturer: BGS