wheel brush with shank brass plated wire for high speed industrial angle grinders Diameter: 40, 50, 65, 75, 100mmMaterial: S: gray carbon steel wire crimped: 0.2, 0.3, 0.35mm BS: brass coated steel wire crimp: 0.2, 0.3mm SS: stainless steel wire: 0.22, 0.3, 0.35mm wheel brush with shank brass plated wire