Diamond Grinding Wheel Cutting Disc. FEATURES: Resin, a Tapered Side Cladding Type. Diamond Resin Grinding Wheel, High Hardness, High Strength, Grinding Ability. Resin Grinding Wheel Has Good Polishing Effect, Grinding Wheel Sharp, Not Easy to Plug, High Grinding Efficiency. Resin Bond for Uncomplicated Grinding Process with Good Chip Volume, While Maintaining a Low Thermal Influence on the Workpiece. Mainly Used for Grinding Carbide and Hard Steel, Stone, Metal and Other Processing and Polishing, Mainly Used in High Hardness Alloy Knives and Carbide Alloy Saw Blade, Serrated Grinding Process. SPECIFICATIONS: Material: Resin, Aluminum Diameter: 75mm/3 Inch, 80mm, 100mm/4 Inch, 125mm/ 5 Inch Bore Diameter: 13/16/25/32mm Grit: 150 Thickness: 8mm/ Approx 5/16" Sand Width: 5mm, 8mm Concentration : 75% INCLUDES: 1x Resin Diamond Grinding Wheel . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.