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:Made of highquality diamond resin materials, strong strength and long service life.Designed togrind carbide and hard steel, stone, metal and other processing and polishing.Mainly used inalloys knives, saw blades, serrated grinding process.Resin bond foruncomplicated grinding operation with good material removal rates, whilemaintaining a low thermal influence on the work piece.Can be used invarious tools and cutter applications.Specifications:Material:diamond, resinProcess:sinteringGranularity:180Outer diameter:120mm / 3.94inchBore diameter: 20mm / 0.79inchThickness:10mm / 0.39inchWeight: Approx. 203gPackageincluded: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.