5" Diamond polishing pad 18+1 work with granite marble stone concrete FLOOR grinder polisher

1 piece 5" backing pad backer. work with wet dry grinder / polisher. 18 pieces 5" diamond wet dry (wet use recommended) polishing pad. 4 x grit 50 100, 3 xgrit 200 400, 1 x grit 800 1500 3000 6000.