For metric fine and coarse threads, stainless steel A2, in a repair kit case with thread inserts made of rhombic-profiled wire. Installation and screwing in like a screw, a mounting mandrel, comparable in size to a tap, is sufficient for screwing in. If through threads are required, the driving tang can be broken off at the notch (predetermined breaking point) after installation. Consisting of: Helicoil plus thread insert in three lengths, spiral drill (up to M 12), HSS hand tap, mounting mandrel, tang break-off tool (up to M 12) Article type: Repair, Thread: M10, Thread type: Metric ISO fine thread (MF), Main color: green