Materials: Stainless Steel + Diamond Powder
Size: 42 x 7 x 30mm
Shank diameter: 1.6mm
- High-grade stainless steel shank, high strength, no rusty.
- The maximum speed of blue burs and green burs is 450,000RPM/min.
- Grinding head is made of natural diamond powder. high hardness and wear resistance.
- The maximum speed of yellow burs is 300,000RPM/min and the red burs is 160,000RPM/min.