This pack of 10 general purpose assorted grit sandpaper sheets (230 x 280mm) are made from aluminium oxide that is resin-bonded for durability. The C-Weight backing paper makes them pliable and strong - able to be used in folded and flat areas. Ideal for sanding and finishing wood, metal, aluminium alloy, painted surfaces, plastic and fillers. Suitable for hand sanding and compatible with most hand sanding blocks.