Dremel 5/16 In. High-Speed Steel Cutter is crafted from high-quality steel, designed for shaping and hollowing a variety of materials including most metals, plastics, and wood. This cutter features a 1/8" shank diameter and a 5/16" bit diameter, making it a versatile and durable tool for detailed cutting tasks. The high-speed steel construction ensures long-lasting performance and precision in your projects, providing reliable results whether you are working on metal, plastic, or wood surfaces. Model Number: 114