Materials: Stainless Steel + Diamond Powder
Size: 42 x 7 x 30mm
Specific models: BR-30C, DI-SS41, TR-11, TF-21EF, CR-22F
Shank diameter: 1.6mm
- Handle adopt high-grade stainless steel, high strength, no rusty.
- The max rotational speed of the blue and green one is 450,000RPM/min.
- The yellow one is 300,000RPM/min and the red one is 160,000RPM/min.
- Grinding head using natural diamond powder, high hardness, wear resistance.