damo 1 wet diamond polishing drum wheels set of 7 for granite marble concrete undermount sink countertop

1 of each grit 50,100,200,400,800,1500 and 3000; | 5/8″-11 female threads,1″ in diameter and 1-3/4″ in height; | With vents and fits on water-fed polishers, Wet use only; | Vertical oscillation recommended for even wear; | Maximum speed 4,000RPM.