Flap disc /flap wheel 1. Diameter: 4'',5'',6'', 7'' 2. Grain: 40#-320# 3. Material :ZA 4. ... / abrasives disc/abrasives polishing disc /mop disc/1. Diameter: 4'',5'',6'', 7''2. Grain: 40#-320#3. Material :ZA A ... (alumina oxide )4.TYpe: T29 (angled )/ T27(flat )5.Page: single or double6. Sanding paper : KLINGSPOR SANDING PAPER , NORTON SANDING PAPER ...