Diameter: 105 x 105 mm 5 Pack Fibre Backing Hook & Loop Fixing Aluminium Oxide Easy to clean and re-use Up to 99% dust-free sanding and reduced clogging and dust Use on wood, metal, plaster and filler Safeline 105mm x 105mm Delta Sanding Pads 5 Pack - Coarse Safeline Hook and loop backing. High performance aluminium oxide grain. Punched sanding sheets for use on wood, metal, plaster and filler. Medium Hole configuration helps remove dust as you sand Perfect for material shaping and smoothing Plastic mesh backing, with aluminium oxide open grain, for material removal and fine finishing. Mesh structure allows up to 99% dust-free sanding and reduced clogging and dust build-up on work surfaces. No designated hole pattern for quick dust hole alignment. Easy to clean and re-use (wash or blow clean). For all types of metal, wood, t, plaster, filler and lacquer. Compatible with all competitor backing pads.