Rotary brush, design: COPY - patented wire 0.5 mm - copy, does not unravel even under extreme load, FESTA brushes guarantee high-quality materials used and processing, steel wire 0.5 mm, diameter 75 mm, shank 6x30 mm, number of wires: 690, wire length: 15 mm, max. permissible revolutions: 20000 1/min, use: removal of paint, rust, burrs, welding residues - slag, roughening, cleaning of metal parts, packaging: blister with euro hole.