Aluminium Oxide Velcro Discs Grit: P36-P1200 Hole: 1,4,5,6, ... , E, weight paper, craft or latex paper, Norton paperMaterials: aluminum oxide, silicon carbide, zirconium oxide, zinc-stearateColor: white, brown, yellow, black, blueCoating: closed ... ", 4.5", 5", 6", 7", 9"Grit: P36-P1200 Aluminium Oxide Velcro Disc