... for stainless steel, metal and mold,etc... Product Description:velcro abrasive disc Silicon Carbide Velcro Sanding Disc (velcro ... machinery, building, instrument, metal and mold, and so on. Bond: Resin over resin Coated material: Silicon carbide Dimension ( diameter): 4"(100mm ... ), 4.5(115mm), 5" (150mm), 6"(150mm), 7"(180mm). Grit range: ...