Dremel 1/8 In. High-Speed Steel Cutter is crafted from high-quality steel, making it an i tool for shaping and hollowing a variety of materials including most metals, plastics, and wood. This versatile cutter features a consistent shank diameter of 1/8 inch with bit diameters ranging from 5/64 inch to 3/8 inch across different models, all made from durable high-speed steel to ensure precision and longevity in your cutting tasks. Whether you need fine detail work or more substantial shaping, this cutter delivers reliable performance for your DIY and professional projects. Model Number: 100