... . Diameter: 4'',5'',6'', 7'' 2. Grain: 40#-320# 3. Material :SC 4.TYpe: T29/T27 Flap disc/ flap wheel/ abrasives ... . Diameter: 4'',5'',6'', 7''2. Grain: 40#-320#3. Material :SC4.TYpe: T29 (angled )/ T27(flat )5.Page: single or ... POLISHING , THE SURFACE WILL BE MORE SHINE AND SMOOTH . Alumina Oxide Flap Wheel /Abrasives Flap disc