Product Features: Made of high quality high speed steel for long life and exceptionally precise cuts, providing reliable performance. A valuable addition to any carpenter's rotary tool, compatible with most rotary tools including DREMEL, Craftsman, Chicago and other leading brands. Suitable for a variety of wood types, constructed from high quality carbide for consistent and smooth cutting results. Includes 20 pieces of commonly used cutter types such as straight, trim, V-groove, beading, cove, slot cutter and more to meet diverse project requirements. Ideal for detailed craftsmanship and precision work. Capable of engraving on various materials including wood, ABS, acrylic, PVC, and plastic. Well-suited for intricate tasks such as crafting dollhouse furniture, model trains, or architectural models. User-friendly design with easy bit insertion for improved durability and convenience. Designed for precision woodworking applications, features 1/8" shank carbide engraving bits and router bits that serve as simple replacements for small-scale CNC use. Product Specifications: Material: High Speed Steel (HSS), Shank Size: 3.17mm Package Includes: 1 Set of 10 Carbide Engraving Bits, 1 Set of 10 Wood Router Bits