High carbon crimped steel wire, Medium bristles, For use with grinding machines, Ideal for preparation and cleaning of metal surfaces, cleaning of welds, removal of scale, rust, corrosion, etc., Diameter: 3" (76.2mm), Thickness: 15/32” (11.9mm) Wire Thickness: 0.35mm, Anchor Hole Size: M14, Wire Length: 23mm, Maximum Speed: 12,500rpm