Feature:* Suitable for dry polishing and grinding all kinds of stone materials and ceramic tiles, sharp and wear-resistant, no fading, no burning, good brightness, etc. * Dry polishing without water. * Flexible and smooth polishing. * Polishing with fast speed and no scratch* Item Processing: Marble, Granite, Quartzite, Glass, Stone Polishing Specification:* Product Name: Diamond Dry Polishing Pad* Material: Diamond + Resin* Color: As Pictures Show* Diameter: 4 inch/100mm ( approx.)* Thickness: 4mm* Inner Diameter: Approx. 16mm/0.63"* Maximum Speed: 4500RPM* Grit: 0 = 50#, 1 = 150#, 2 = 300#, 3 = 500#, 4 = 1000#, 5 = 2000#, 6 = 3000#* Quantity: 1 pc Package includes: 1 x Diamond Dry Polishing Disc Note: 1. The real color of the item may be slightly different from the pictures shown on website due to many factors such as monitor brightness and light brightness.2.Please allow slight manual measurement deviation for the data.