Olson Saw SC91218BL Scroll Saw Sander with 1/4-Inch Wide 180 Grit, 4-Pack Scroll Sander sanding belts easily smooth the edges of scroll saw projects in wood, plastic, metal and composites These fabric-backed belts have molded polycarbonate ends for attaching to most scroll saws that take 5" blades They also work great on curves, concave or convex edges and can reach into intersections