Scroll Sander sanding belts easily smooth the edges of scroll saw projects in wood, plastic, metal and composites. These durable fabric-backed belts have molded polycarbonate ends for attaching to most scroll saws that take the 5" blades. Scroll Sander's rapidly remove bumps, burns, feathering and correct wandering from a cutting line. They also work great on curves, concave and convex edges. Mount Scroll Sanders as easily as a blade! Remount with opposite side up to extend the life of your sander. This package contains four 1/2" wide belts featuring a plain-end mount, with one each of 80, 120, 180 and 220 grits..