Uxcell a11120700ux0076 6" Diamond Coated Grinding Grind Disc Wheel 1000 Grit for Marble Granite Stone Product Name : Diamond Grinding Disc; Material : Metal, Diamond Particles Color : Silver Tone; Outside Diameter : 152mm / 6" Arbor Hole Diameter : 12.7mm / 1/2";Disc Thickness : 1mm / 0.039" Grit : 1000;Weight : 141g Package Content : 1 x Diamond Grinding Disc