25x M8 x 1.25 Thread Repair Tool Kit Helicoil Wire Inserts UK

Thread size: M8 X 1.25mm. 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.