Joysun Backstand grinder belt is intended for applications with stationary, heavy-duty grinding machines for powerful, aggressive sanding and grinding processes. These intelligently designed belts can quickly perform heavy stock removal, fast sanding, deburring, shaping and polishing for all metals, woods, plastics, painted surfaces and fiberglass. They are outstanding at working with contoured workpieces and getting into hard to reach areas. This makes them suitable for processing molds and dies for industrial applications.