1.crimped bowl cup brush , 2.Steel wire brush, 3.size:65mm,75mm,100mm,125mm,150mm 4.nut:M10X1.5,M14X2,5/8-11 crimped bowl cup brush info:Cleaning prior to welding,rust and pain remvoal,weld scale,weld spatter,and corrosion removal surface deburring,cleaning ships,steel tabks,meatl surface preparation prior palnting fill types.1,Steel types2,Brass-coated3,Stainless steel4,Brass wire SizeNut size( ...