It is made of high speed steel and red color plastic handle, sturdy and durable in use and can be used in daily repair, car repair, drilling machine, etc. Compatible with Helicoil M6 type. Thread tap and the drill material: HSS (High-speed Steel).
M10 x 1.0 Thread Repair Kit, Metric Helicoil Thread Repair Kit with HSS Drill
15 PCS M12x1.25 Metric Helicoil Thread Repair Kit Fits Internal Thread Set
Marvelity Premium 131-Piece Metric Helicoil Thread Repair Kit
weyleity 131-Piece Metric Helicoil Thread Repair Kit Red
Premium 131-Piece Metric Helicoil Thread Repair Kit Comprehensive HSS Drills