- 100mm 4" diamond coated grinding disc wheel
- Outside diameter: 4" (100mm)
- Arbor hole: 5/8"(16mm)
- Thickness: 1.3 mm
- Grit: 60 Very Coarse
- Max RPM: 12000
- Bowl-type grinding chip to cut hard and brittle materials such as glass, ceramics, marble, and metal circuit boards
- High hardness and excellent impact resistance
- Weight: 55 g(approx.)