Hook-and-Loop Sanding Disc: 5 in Dia, Mesh, Aluminum Oxide, 180 Grit, Net, Xtract 310W, 50 PK

3M MODEL 7100247523, General purpose sanding discs for maximum dust extraction have an aluminum oxide abrasive applied to a mesh backing. Tiny holes in the mesh backing maximizes dust extraction for drywall sanding and other fine dust applications when the sander is connected to a compatible dust collection system. Aluminum oxide is a strong, sharp, and durable abrasive that penetrates the work surface and withstands heat and high speeds.