Long lasting electroplated diamond wheels are great for grinding softer materials. Comparable to the sintered diamond grinding wheels, but with a shorter life.

Diameter: 4.0" (100 mm)
Grit: 170
Weight: 1.7 Lbs.
Arbor: 1" OD arbor standard with reducer rings to 3/4", 5/8", and 1/2" indcluded.