HHIP M6 X 1.00 Self Tapping Repair Kit Includes 10 stainless steel inserts, 1 high speed steel twist drill, 1 installation tool and a metal case. No pre-tapping required. Very high pull out resistance. Unlimited thread re-usability. Protects expensive components from damage. Fits almost every application. Produces high quality, permanent, wear-resistant threads. Highly resistant to vibration. Can withstand vibration without loosening. Inserts are carbon steel with zinc coating. Insert length = 2.0 X Diameter.