[High Hardness Diamond Grain]：Discs are made with high hardness diamond, could be used for cutting all kinds of metals, with Much Lower cost per cut compared to bonded cut-off wheels [Vacuum Brazed technology]: Vacuum Brazed technology makes the industrial premium diamond grains permanently brazed to the edge of steel core,creating an unbreakable and extremely heat resistant segments, Much safer than abrasive cut-off wheel, no risk of break of disc [Specification]: 14 Diamond Cutting Wheel, with the bore of 25.4mm(1 ) and 1pc 20mm washer.Suitable for most of hand-held grinder or trim saw. [Industrial Quality]: Quality Assured accurate cutting PERFORMANCE, PRECISION, LONGEVITY, STABILITY & INTEGRITY, cutting Longer, Faster and Reliably than regular abrasive disc that may shatter or prematurely wear, healthy for operater and less pollution [Wide Application]: Diamond cutting wheel is created for dry cutting of metal, rebar, iron, metal profiles, aluminum, different types of pipes and another sheet metal(Less than dia 25mm) UPC 791180061812 Brand Name DT-DIATOOL Manufacturer DT-DIATOOL Material Type Alloy Steel, Aluminum, Diamond, Metal Item Dimensions 14 x 14 x 0.04 inches Construction Type Cut-off Wheels Compatible Devices Angle Grinder Grit Material Type Diamond Compatible Material Alloy Steel, Aluminum, Iron, Metal Item Dimensions L x W 14 L x 14 W