Flap Disc 1.grit:60-600# 2.usage:Polishing welding line,metal 3.material:zirconia alumina,browm fused alumina OEM is ok 1 ... /abrasive sanding disc/abrasive disc/grinding disc2)Grit 60#-600#3)Material zirconia alumina,brown fused alumina,carborundum,calcination,pure cotton ... stritly inspections.MOQ is flexible,urgent order is accepted. abrasive flap disc