This pack of 1/3 sanding sheets (93 x 230mm) of 40 grit are made from premium quality aluminium oxide that is resin bonded to provide improved grain adhesion, anti-static qualities and long-lasting performance. The sheets are pre-cut to fit 1/3 sanders with clamping function (93 x 190mm). The heavy-duty E-Weight backing paper makes the sanding sheet more durable - able to withstand the toughest jobs. Ideal for sanding and finishing wood, metal, aluminium alloy, painted surfaces, plastic and fillers. Compatible with most 1/3 sanders including Stock No. 57839.