GRADING WHEEL Material:SYNTHETIC RESIN SIZE:4",4.5",5",6",7",9" WITH DOUBLE GLASS FIBRE REINFORCEMENT MAX. SPEED:80M/S GRADING WHEEL Material:SYNTHETIC RESINSIZE:4",4.5",5",6",7",9"WITH DOUBLE GLASS FIBRE REINFORCEMENTMAX. SPEED:80M/S GRINDING DISC GT002