Diamond segments optimized for smooth surface finishing. All steel body designed for the most demanding jobs. Dust extraction holes provide necessary air flow and debris removal. Can be used wet or dry. Go green and recycle this product. An exchangeable product and member of the green exchange system Specifications. Diameter 7. Material Usage Concrete. Arbor 7/8. RPM 8,600. Product Material Steel Diamond Matrix. Tool Angle Grinder. Description Specialty Cup Wheel Turbo Single Row. Weight 2.3 lbs.