<b>Product Features: </b> Made of high quality high speed steel for long life and exceptionally precise cuts the first time, saving you energy and stress. A valuable addition to any carpenter'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 planes. User-friendly design and easy insertion process for longer life, incredibly easy to use. Accessories for precision work on wood, 1/8 & quot; carbide engraving bits simple spline replacements for your CNC machines. <b>Product Specifications: </b> Material: High Speed ​​Steel (HSS) Stem: 3.17mm <b>Package includes: </b> 1 Set of 10 Carbide Engraving Bits 1 Set of 10 Wood Router Bits <ul><li> Made of high quality high speed steel for long life and exceptionally precise cuts the first time, saving you energy and stress. </li><li> 20 pieces of the most commonly used types of cutters, including straight, trim, V-groove, beading, shackle, groove cutter and more to meet your different needs. </li><li>A valuable addition to any woodworker's rotary tool, suitable for most rotary tools</li></ul>