Twisted steel wire wheel brush size:many wire size:0.3,0.35,0.5, ... 0.8mm packing:color box,carton and other, Twisted steel ... etc3.wire material:twist knot wire cup brush with thread type of wire:knot steel wireWire diameter:0.30,0.35, 0 ... protectors like goggles,gloves,dust respirators and so on. Twisted steel wire wheel brush