Polishers are designed for fast and smooth grindings of granite and marble.         MESH TYPE DIAMETER SEGMENT ROUND TYPE STRAIGHT TYPE METAL # 50 150~300 33 X 7 X 10 40 X 7 X 10 # 200 150~300 33 X 7 X 10 40 X 7 X 10 # 400 150~300 33 X 7 X 10 40 X 7 X 10 # 800 150~300 33 X 7 X 10 40 X 7 X 10 # 1500 150~300 33 X 7 X 10 40 X 7 X 10 RESIN # 400 150~250 42 X 21 X (17 + 3) # 800 150~250 42 X 21 X (17 + 3) # 1500 150~250 42 X 21 X (17 + 3) # 3000 150~250 42 X 21 X (17 + 3)