Features Made of high quality diamond resin material, high strength and long service life. Resin bonds are suitable for simple grinding operations with good material removal rates while maintaining a low thermal impact on the workpi. Designed for grinding and polishing of carbide and hard steel, stone, metal, etc. Mainly used for grinding of alloy knives, saw blades, saw teeth, and can be used for various tool and tool applications. 100% brand new product, all refund if unsatisfied If you have any questions, please contact our professional customer service team. Descriptions: Made of high quality diamond resin materials, it is of strong strength and long service life, which is designed to grind carbide and hard steel, stone, metal and other processing and polishing.   Features: -Made of high quality diamond resin material, high strength and long service life. -Resin bonds are suitable for simple grinding operations with good material removal rates while maintaining a low thermal impact on the workpi. -Designed for grinding and polishing of carbide and hard steel, stone, metal, etc. -Mainly used for grinding of alloy knives, saw blades, saw teeth, and can be used for various tool and tool applications. -100% brand new product, all refund if unsatisfied If you have any questions, please contact our professional customer service team.   Specifications: Material: diamond, resin Process: sintering Granularity: 180 Outer diameter: 120mm / 3.94inch Bore diameter: 20mm / 0.79inch Thickness: 10mm / 0.39inch Weight: Approx. 203g   Package included: 1 x Grinding Wheel   Package List