7" Diamond polishing pad 13+1 work with granite marble stone concrete FLOOR grinder polisher

1 piece 7" backing pad backer. work with wet dry grinder / polisher. 13 pieces 7" diamond wet dry (wet use recommended) polishing pad. 3 x grit 50, 2 x grit 100 200 400, 1 x grit 800 1500 3000 10000.