... machines.Characteristic:Diamond & metal & Buff diskhe polishing and cutting efficiency is high, abrasion strength is ... -bonded Discs for rough grinding, 50#, 200#, 400# Resin-bonded Disc: fine and finish grinding/polishing. 500 ... disc500#,800#,1500#,3000#Shape, good durability,nice polishing effectionPolishing disc(Lux)LUX(black, white, gray ... order according to customers’ requirement. Polishing Discs