... .35,0.5,0.8mm packing:color box,carton and other, Twisted steel wire wheel brush1.Ideaful to clean rust, paints, welding burs ... brush with thread type of wire:knot steel wireWire diameter:0.30,0.35, 0.50 and 0.8mm4.package:color box ... when operating 3.Wear protectors like goggles,gloves,dust respirators and so on. Twisted steel wire wheel brush