abrasive sanding wheel 1.material:brown fused alumina 2.grit:60-800# 3.usage:automatic,hardware,stainless,wood Abrasive flap wheel:1.Material:aluminum oxide,zirconia corundun,pure cotton.2.Grit:60#-800#3.Feature:antistatic and resistance to blocking4.usage:automatic,hardware,stainless,shipping,various kinds of irregular surface.as well inner circle and exciecle.5.Dia:125mm-300mm6.Thickness:25mm- ...