This is a great one tapered side plain diamond grinding wheel. It an be used in various tools and cutter applications.Resin bond for complicated grinding operation with good material removal rates, while maintaining a low thermal influence on the work piece Description: This is a great diamond grinding wheel Designed to grind carbide and hard steel Can be used in various tools and cutter applications Resin bond for uncomplicated grinding operation with good material removal rates, while maintaining a low thermal influence on the work piece Specification: Product Name Diamond Grinding Wheel Type One Tapered Side Plain Main Material Aluminum, Resin Abrasive Grain RVD Bonding Agent SM Concentration 75% Grit 150# Outside Diameter Approx. 125mm /4.7 inch Mounting Hole Dia. Approx. 32mm /1.26 inch Rim Dimension 2mmx 8mm(T x W) Overall Depth 8mm /0.3 inch Color Silver and brown Package Includes: 1 x grinding wheel