Grind and blend on the arm contact wheel or hard platen surface 28366, 3M Abrasive File Belt Sander 3m Belt Grinder 3M 7000000439 File Belt Sander Attachment Arm, Vessel 28375 | JensenTools Power File Belt Sander This arm allows you to work in small, hard to reach areas, and is available in a variety of shapes, sizes and end wheel types Work in hard-to-reach areas with power and efficiency The 3M File Belt Sander Attachment Arm (Model 28368) comes in a standard configuration, with one arm per case. It's designed to work seamlessly with 3M File Belt Sanders, providing you with a powerful and efficient tool for various grinding and finishing applications This arm allows you to work in small, hard to reach areas, and is available in a variety of shapes, sizes and end wheel types, which will allow a variety of tasks to be accomplished with ease.