Rotary brush - cup, design: corrugated wire 0.25 mm - brass-plated, diameter 68 mm, shank 6 x 27 mm, galvanized brush body, number of wires: 1728, wire length: 19 mm, max. Permissible speed: 4500 1 / min , use: for polishing, roughening, removing rust and burrs, [***]