... portable angle grinders,large angle brinders,pneumatic grinders etc.The wire cup brush has different specifications:1. Various dimensions available ... plated etc5. wire material:1)S:steel wire 0.35,0.3mm2)SS:stainless steel wire:0.2,0.22,0.35,0 ... .4,0.5mm3)BS:brass plated steel wire:0.3mm4) ... B:brass wire:0.3mm5 ...