10 pcs set, Diamond resin bonded, Diameter:4", 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, 400, 500,
600, 800,1000,1500,2000,3000, 5000, 10000, 15000, backer pad not included.***