The Astro Pneumatic 3037 1/2" by 18" Air Belt Sander, No. 3037, is a 0.5hp 16,000 rpm sander that is constructed of an aluminum body and steel components. This sander is built with increased pulley space for thicker-style belts. It features a simple belt tension lever for easy belt changes and a protection guard to ensure both safety for the operator and protection for the tool. The 3037 Air Belt Sander offers user comfort with a lightweight non-slip handle grip, and maximum versatility through variable speed control and a 360-degree swivel head. This tool can be used for multiple applications, including spot weld removal.