6" Diamond polishing pad 15+1 work with granite marble stone concrete FLOOR grinder polisher

1 piece 6" backing pad backer. work with wet dry grinder / polisher. 15 pieces 6" diamond wet dry (wet use recommended) polishing pad. 4 x grit 50, 3 x grit 100, 2 xgrit 200 400, 1 x grit 800 1500 3000 6000.