This pack of 1/2 sanding sheets (115 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 heavy-duty E-Weight backing paper makes the sanding sheet more durable - able to withstand the toughest jobs. The hook and loop backing offers decent adhesion to facilitate the fast changing of sanding sheets. The 14 pre-punched 8mm holes improve dust extraction. Ideal for sanding and finishing wood, metal, aluminium alloy, painted surfaces, plastic and fillers. Compatible with most 1/2 sanders with hook and loop including Stock No. 57941.