Mirka Gold sanding discs 9-hole P80 with 150mm diameter and Velcro backing. These discs are universally suitable for sanding gelcoats, SMC and fibreglass-reinforced plastics, paints, varnishes and wood. The discs have a full synthetic resin bond on strong and flexible latex paper. The semi-open coating together with the special stearate prevents the product from clogging. Suitable for all random orbital sanders with and without dust extraction.