Trade quality general purpose aluminium oxide for hand or machine sanding of wood, paint, plaster, fillers, metal and more Resin-over-resin bonded abrasive lasts up to 10 times longer than sandpaper and other silicon carbide abrasives and gives an ultra smooth, even surface ready for painting, priming, staining or varnishing Crack resistant backing paper that is easily cut to size and can handle curved, moulded and irregular surfaces without falling apart 240 grit Extra Fine grade suitable for sanding bare wood for a smooth finish before staining, between coats of paint or varnish to give an adhesion key for the next coat and creating a smooth and even finish with plaster 5m roll length x 115mm width ideal for machine/electric sanders and hand/manual sanders