General description This is a Draper Expert 10-piece diamond needle file set designed for precision filing tasks. The files are chromium plated and diamond coated with a 150 grit for enhanced durability and effective material removal. The set includes various shapes suitable for detailed work on different materials. Technical specifications Material: Chromium plated and diamond coated Grit size: 150 grit Number of pieces: 10 Shapes included: flat parallel, flat tapered, round, half round, square, three square, oval, crossing, barrette, knife Compatibility and accessories Suitable for use on metals, plastics, and other materials requiring precise filing Includes a plastic case for storage and transport Installation No installation required; simply select the appropriate file shape for your task. Usage Use for detailed shaping, smoothing, and finishing of various materials Handle with care to maintain the sharpness and effectiveness of the diamond coating