Unlike regular scroll saw blades, Steel Rule Die blades are thicker and feature a flat, straight, and durable blade edge made of hardened steel.  Steel Rule Die scroll saw blades are commonly used in the manufacturing of packaging materials, gift boxes, invitations, and other paper and cardboard-based products. They are also used by artisans and crafters to create intricate designs in thin wood or plastic materials, such as jewelry boxes or picture frames. Overall, Steel Rule Die scroll saw blades provide an efficient and precise way to create detailed cuts in a variety of materials.