The Mercer 5526150 is a pack of 50 6-inch 6 Hole 150 Grit Premium Gold Stearated Hook & Loop Discs. The Aluminum oxide non-loading sanding discs are ideal for sanding wood and metal surfaces that would clog most other abrasives discs. Heavy C-weight polyester backing combined with gold stearated aluminum oxide grain resists residue buildup. It features a hook and loop backing that allows discs to be reused. Features: * 6 hole pattern * Aluminum oxide * Resist residue buildup What"s In The Box: * Mercer 5526150 6-inch 6-Hole 150-Grit Gold Stearated Hook & Loop Sanding Discs - 50 Pack