Diamond resin bonded, Diameter:3", Resin thickness:3mm, Velcro back, Wet polishing.
For polishing concrete, granite, marble, limestone and all kinds of stones.
***Choose any 10 pcs from the available grits 50#, 100,150, 200, 300, 500,
800,1000,1500,2000,3000, 10000, 15000, backer pad not included.***