3M Ultra Durable 5.5 in. L X 4.5 in. W 320 Grit Aluminum Oxide 1/4 Sheet Sandpaper 5 pk

Built To Go The Distance. Quality runs deep with premium power tool abrasives that cut fast and last long. That’s the power of 3M�?Ceramic Precision Shaped Grain Technology. When endurance matters, get tools designed for the way you work.