Diameter 9"/230MM, Bore 7/8", Diamond height 10MM, Segment thickness 1.7MM, with 7/8"-5/8" washer.The washer can be removed or installed to match different machines. Dry or wet cutting. For granite marble ceramic porcelain tile brick ect. New Design of Mesh turbo rim segment, the mesh turbo helps cooling and bring the dust out, so more efficient, fast and stable in cutting. Hot-pressed sintered blades provide long working life. Applicable machines: Tile saws, angle grinder for large size blade. Recommended RPM:4000. Max RPM:6500.