Uxcell Marble Stone Diamond Grinding Disc, 100 Grit, 3 9/10-Inch Product Name : Diamond Grinding Disc;Material : Metal, Diamond Particles Color : Silver Tone;Outside Diameter : 100mm / 3 9/10inch Arbor Hole Diameter : 16mm / 5/8inch;Rim Thickness : 1mm / 0.039inch Disc Depth : 10mm / 0.39inch;Grit : 100 Net Weight : 61g;Package Content : 1 x Diamond Grinding Disc