Aluminium oxide abrasive discs for sanding wood, paint, varnish, plastic, plaster and metals. Hook and loop backing for quick fitment. Compatible with all 50mm hook and loop backing pads. Includes 20 x 60, 80 and 120 grit. Aluminium oxide abrasive discs for sanding wood, paint, varnish, plastic, plaster and metals. Hook and loop backing for quick fitment. Compatible with all 50mm hook and loop backing pads. Includes 20 x 60, 80 and 120 grit.