... , zinc coated steel, brass coated steel, brass, abr Steel wire brushes: Wire: steel, stainless steel, zinc coated steel, brass coated steel ... material: wood handle, Plastic handle, Steel wire handle.Wire material: Steel wire zinc plated, steel wire blacked, brass wire, stainlesssteel, bristle, wool, nylon.Sanding pad1 ... 5", 6", 7"4) With hooks to lock Velcro disc Wire Wheel, Wire Brush & Sanding Pad