... removal,cleaning prior to welding.Rust pain removal,cleaning ships,steel tanks ks,Etc.Special Features:Diameter:65mmNut size:M1x2Wire ... 35 and 0.50mmRPM:12,500Steel wire type:brass-plated steel wire,phosphated steel wire,galvanized steel wire and steel cordBowl type:galvanized bowl and painted bowlColors:red and ... good balanceOther diameters:65,75,85,90,100 and 125mm bowl twisted steel wire brush