... 100mm,115mm,125mm,150mm,180mm,230mm Velcro backing Silicon Carbide Velcro Disc Grain Backing Diameter X Hole sizeGrit ... tube-- Ideal for polishing and grinding the automobile surface coating, woodwork lacquer, painting, carpentry, marble, metal and mold ... paper, craft or latex paper, Norton paperMaterials: aluminum oxide, silicon carbide, zirconium oxide, zinc-stearateColor: white, brown, yellow, ...