Provides good heat resistance and smooth finishes. The matching shop roll holder is ideal for storing and tearing off the belts to the required length.2" Shop Roll - Resin/Resin Light Duty - 50 Yard Roll - Aluminum Oxide - 50 Grit Aluminum oxide cloth with resin-over-glue bond, for use on ferrous and non-ferrous metals grinding flat or irregular surfaces, cleaning and polishing of rough ground workpieces..