Aluminium oxide abrasive discs for sanding wood, paint, varnish, plastic, plaster and metals. Compatible with air sanders with 150mm backing pads and 150mm bench top disc sanders. Compatible with Silverstorm 972660. Aluminium oxide abrasive discs for sanding wood, paint, varnish, plastic, plaster and metals. Compatible with air sanders with 150mm backing pads and 150mm bench top disc sanders. Compatible with Silverstorm 972660.