The Scalloped Edge 2X72 Sanding Belt is an ideal addition to any knife maker's arsenal of sanding, grinding and finishing belts. Available in 120, 220, 320, 400 and 600 grit. You'll find the exact belt you need to achieve professional results on your next project. Aluminum oxide grain material can be used on both ferrous and non ferrous metals along with wood, plastics, layered resin materials (Phenolic) Like micarta and g10.