This 20 piece fibre sanding pad pack has a very course 36 grit abrasive surface for sanding back all types of surfaces. The course abrasive coating on these pads are made up of fibres and are suitable for sanding metalwork, woodwork, car bodies paint and varnish etc. Ideal if your in a trade including carpenter, metal worker, auto trade, engineer etc. For use with M14 Rubber backed pads. Specifications 20 piece Size: 115mm Grit: 36 Fibre coating For use with M14 Rubber backed pads