3M Green Corps Sanding Abrasive File Belt removes spot weld and hem flanges as well as grinds in tight areas for fast and efficient removal of paint, corrosion and rust. Aluminum oxide abrasive delivers a fast cut and long life. Sanding belt for spot weld and hem flange removal Aluminum oxide minerals deliver a fast cut rate Abrasive belt made for increased durability and long-lasting service Compatible for use with quality file belt sanders