the optimal finish on your industry-grade and hobby woodworking projects with POWERTEC Aluminum Oxide Sanding Belts. These ready to hand sanding accessories the eventual in performance, value, durability and versatility. first-class for use with both narrowing and heavy belts, they are for a heavy range of belt-sanding applications. our quality, aluminum oxide grain, and severe X-weight cloth backing, we aim to guarantee that your sanding work is always tip notch and hassle freed ! .