Steel wire brushes: Wire: steel, stainless steel, zinc coated steel, brass coated steel, brass, abr Steel wire brushes: Wire: steel, stainless steel, ... zinc coated steel, brass coated steel, brass, abrasivefilamentCup brush-crimped wire 60/75/100 ... tools3) Size available: 4", 4.5", 5", 6", 7"4) With hooks to lock Velcro disc