Complete set of 5 rotary rasp bits for efficient milling, filing, and shaping of steel materials. Compatible with all drills. Designed with a 1/4 inch hex shank (35 mm), these bits are compatible with any standard drill for use. Engineered for strength. Constructed from heattreated carbon steel for long lasting durability under heavy use conditions. Multifunctional applications. Suitable for professionals and DIY enthusiasts, these rasps are ideal for creating intricate shapes and finishing surfaces. Use scenarios Metal fabrication and : rough shaping, deburring, and finishing steel components such as brackets, plates, and frames. Automotive and machinery work: smoothing weld seams, removing excess material, and refining edges for a precise fit. DIY metal projects: crafting custom parts, shaping decorative elements, and achieving smooth, finished surfaces on steel pieces.