ITEM NAME:11Pcs Diamond Polishing Pads 4 Inch Grinder Disc for Granite Marble Concret T3R6 11Pcs Diamond Polishing Pads 4 Inch Grinder Disc for Granite Marble Concret T3R6 Fast polishing and economical Unique resin binder, grinding power High degree of wear, long service life High performance dry / wet polishing pads Wet use speed upto 4000 rpm;Dry use speed upto 3000 rpm For granite, marble, concrete, ceramic 10pcs granularity: 50# 100# 150# 300# 500# 800# 1000# 1500# 2000# 3000 Diameter 4 inch/100mm Pad thread M10 Max RPM 5000 Colour:Photo Color Material:Diamond + ABS Package Contents: 10*Diamond Polishing Disc(50# 100# 150# 300# 500# 800# 1000# 1500# 2000# 3000) 1*Grinding disc