1.Twisted Knot Steel Wire Cup Brush 2.Material:steel wire 3.Size:2.5",3",3.5",4",5 ... .Model:JSL-8049 Specifications 1.Twisted Knot Steel Wire Cup Brush 2.Material:steel wire 3.Size:2.5",3",3 ... 4.Packing:Color box 5.Model:JSL-80491. Twisted Knot Steel Wire Cup Brush2. Description: (1)Area of application generally ... Cup Brushes 5”30PCS40*27*49CM32/30KG Twisted Knot steel wire Cup Brush with steel wire