Descriptions:Made of highquality diamond resin materials, it is of strong strength and long service life,which is designed to grind carbide and hard steel, stone, metal and otherprocessing and polishing.Features:1.Made of high quality diamond resin materials, strong strengthand long service life.2.Designed to grind carbide and hard steel, stone, metal and otherprocessing and polishing.3.Mainly used in alloys knives, saw blades, serrated grindingprocess.4.Resin bond for uncomplicated grinding operation with goodmaterial removal rates, while maintaining a low thermal influence on the workpiece.5.Can be used in various tools and cutter applications.Specifications:Material:diamond, resinProcess:sinteringGranularity:150Outer diameter:100mm / 3.94inchBore diameter:20mm / 0.79inchThickness:10mm / 0.39inchWeight: Approx.217gPackageincluded:1 x GrindingWheelNote:1. Due to thedifference between the monitors and light effect, the picture may notreflect the actual color of the item.2. Please allow1-3mm error due to manual measurement. Thanks for your understanding.