Product Features: Made from high quality high speed steel for long life and exceptionally accurate cuts the first time, saving you energy and stress. A valuable addition to any woodworker's rotary tool, suitable for most rotary tools, including DREMEL, Craftsman, Chicago and more. Suitable for most woods, made from high quality carbide for a precise and easy cutting experience. 20 pieces of the most commonly used types of cutters, including straight, trim, V-groove, beading, cove, slot cutter and more to meet your different needs. Ideal for all types of detail work. Capable of engraving on a wide range of materials, including: wood, ABS, acrylic, PVC, plastic, etc. Suitable for detailed work, such as building and sanding dollhouse furniture, model trains or model buildings and airplanes. User-friendly design and easy insertion process for longer tool life, incredibly easy to use. Precision Woodworking Accessories, 1/8" Carbide Engraving Bits Single Flute Replacements for Your CNC