Product Overview This 21-piece set is designed for material processing and finishing tasks. Utilizing silicon carbide abrasive material, the set provides a range of grits for sequential smoothing on various workpieces. The included mandrel allows for attachment to standard rotary tools and drills. Compatibility / Usage Intended for use with rotary tools and power drills featuring a 1/8 inch (3mm) collet. Suitable for application on wood, metal, plastic, resin, aluminum, and jewelry. Designed for dry grinding applications including edge finishing and profile smoothing. Specifications Material: Silicon Carbide Shank Diameter: 1/8 inch (3mm) Grit Sizes: 180, 240, 320, 400, 600, 800, 1000 Quantity: 21 bands and 1 mandrel Application: Dry grinding and polishing