This pack of 140mm detail sanding sheets (40 grit) have extra perforated tear-off diamonds for increased detail sanding. 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 12 pre-punched 6mm holes improve dust extraction. Ideal for sanding and finishing wood, metal, aluminium alloy, painted surfaces, plastic and fillers. Compatible with most detail sanders with 140mm hook and loop backing pads.