You are Buying a Brand New And factory Sealed Milwaukee 3 in. Stainless Steel Knot Wire Cup Brush....
3 in. Brush Knot Cup is designed to be used on 4-1/2 in. or 5 in. competitive grinders with 5/8-11 in. threaded spindles (grinders not included). The brush cup features stainless-steel construction for durability. It is well-suited to clean castings, structural steel and sheet metal.