Silicon Carbide Velcro Discs Grit: P36-P1200 Hole: 1, ... : 100mm,115mm,125mm,150mm,180mm,230mm Velcro backing Silicon Carbide Velcro Disc Grain Backing Diameter X Hole sizeGrit No ... ceramics Based: C, D, E, weight paper, craft or latex paper, Norton paperMaterials: aluminum oxide, silicon carbide, zirconium oxide, zinc-stearateColor: white, ... .5", 5", 6", 7", 9"Grit: P36-P1200 Silicon Carbide Velcro Disc