Packing: 4 pieces (including 3mm and 6mm each 2 pieces)
Material: carbon steel
Sturdy, durable, not easy to deform, can be used for a long time.
Provides good contact and a stronger grip.
Fits 1/8" and 1/4" standard heads. Add versatility to die grinders, routers, and other tools with collet chucks.
Compatible with all kinds of grinder clamping grinding heads, suitable for tire repair and grinding, compatible with most rotary tools for hardware, hobby, home, etc.