- Constructed from hardened and tempered steel alloy, this rotary rasp file set ensures exceptional durability and long-lasting performance, making it a reliable choice for your projects. - Featuring a variety of sizes and shapes, this set provides versatility for various sanding tasks across metal, wood, and plastic surfaces, accommodating a wide range of applications. - Designed for use with electric grinders, these files deliver efficient and precise results, enhancing your productivity and effectiveness during work. - Ideal for sanding all types of soft metals such as aluminum, copper, and brass, this set is perfect for de-rusting, deburring, and smoothing edges, making it an essential tool for metalworking tasks. Use Cases: 1. Smooth out rough edges on aluminum components in automotive repairs. 2. Deburr copper pipes during plumbing projects for a clean finish. 3. Refine wooden surfaces in woodworking projects to achieve a professional look.