Knot Cup Brushes are for heavy-duty use for the preparing of metal surfaces before painting, and the removal of slag, rust, scale or concrete waste.
Lessmann knotted brushes are filled with a special steel wire of high tensile strength in order to meet the demands of this type of brush.
Products marked with a * have a brindle fitted which an be removed to expose a further 20mm of useable wire.
Wire Gauge. 0.35.
Wire Type. Steel.
Max. R.P.M. 12,500.