25PCS M6 X 1.0 Thread Repair Tool Kit Helicoil Wire Inserts Set UK

Thread size: M6 X 1.0mm. Thread tap and the drill material: HSS (High-speed Steel). 1PC x HSS screw tap. 20PC x Wire thread inserts. Thread inserts material: Stainless steel. It can be used in daily repair, car repair, drilling machine, etc.