Introducing the 4 in. x 36 in. Aluminum Oxide Sanding Belt Set in 6 Popularly Used Grits by POWERTEC. From 60 grit to 400 grits, this comprehensive selection of popular grit sizes allows you to sand through all the stages of your project, from coarse to fine polishing. Made with open coat Aluminum Oxide (A/O) grain, they act as a multi-purpose tool best used for wood sanding, shaping, stripping and giving a smooth finish to many of your woodworking applications. Additionally, these belts work exceptionally well with lite and non-ferrous metals, blending welds, fiberglass, plastic, and rubber. Each belt flaunts an X-weight clothed backing, and possesses a strong resin on resin bond with well crafted seams for long lasting results. Introducing the Abrasive Cleaning Sanding Block If you're seeking an efficient and cost-effective solution to maintain the longevity of your sanding discs, belts, and skateboard grip tape, these cleaning blocks are the answer you've been looking for. Crafted with the perfect length and girth for handheld use, these sanding blocks effortlessly remove a wide range of debris, including sawdust, pitch, glue, gum, dirt, body filler, primers, and paint, which can significantly hinder the performance of your sanding tools. By eliminating these contaminants, the cleaning stick rejuvenates your abrasives, extending their lifespan by 2 to 4 times.