[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] 4-1/2" Diamond Cutting Wheel, with the bore of 22.23mm(7/8"), 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)