Introducing the Aluminum Oxide Sanding Disc and Belt 30-pc Set by POWERTEC. This POWERTEC convenient Aluminum Oxide Sanding Disc and Belt 30-pc Set includes (10) 6 in. 80 Grit PSA Sanding Discs and (20) 4 x 36 in. Sanding Belts: 80, 120 Grit to meet your needs. Our PSA Sanding Discs were made with Premium aluminum oxide and were designed for high quality sanding action, high precision cuts, uniform finishes and most importantly - professional looking results. Perfect for working with wood, non-ferrous metals, plastic, fiberglass and more. Our Sanding Belts are designed to provide a cost-effective set of long-lasting and high-performance sanding belts as well as to work with an assortment of belt sanding machines and applications - providing a heavy duty stripping and sanding tool for wood, aluminum, fiberglass, rubber, plastic and non-ferrous metals.