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:The grinding wheel is made of high-quality diamond resin material, with high strength and long service lifeResin grinding wheel is designed for grinding hard alloy and hard steel, stone, metal, etc and processing and polishingDiamond grinding wheel is mainly used for alloy knife, saw blade, serrated grinding processThe grinding tool adopts resin bond for simple grinding operation, which has a good material removal rate while maintaining low thermal impact on the workpieceGrinding cutting cutter can be used for various tools and cutting machine applications Specifications:Material: diamond, resinProcess: sinteringGranularity: 180Outer diameter: 120mm / 3.94inchBore diameter: 20mm / 0.79inchThickness: 10mm / 0.39inchWeight: Approx. 203g Package included:1 x Grinding Wheel Note:1. Due to the difference between the monitors and light effect, the picture may not reflect the actual color of the item.2. Please allow 1-3mm error due to manual measurement. Thanks for your understanding.