uxcell 100mm Diamond Coated Grinding Disc Glass Tile Cutting Wheel Gold Tone Product Name : Diamond GrindingDisc;Material : Metal, Diamond Coated Color : Gold Tone;Outer Diameter : 100mm / 4" Arbor Hole Diameter : 20mm / 0.8";Thickness : 0.8mm / 0.03" Weight : 54g Package Content : 1 x Diamond Grinding Disc