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. Suitable for most woods, made from high quality carbide for an accurate and easy cutting experience. 20pcs of the most commonly used types of bits, including straight, cutting edge, V-groove, beading, groove, slot cutter and many more to meet your different needs. Capable of engraving on a wide range of materials, including wood, ABS, acrylic, PVC, plastic, etc. User-friendly design and easy insertion process for longer life, incredibly easy to use.Accessories for fine woodworking, 1/8" carbide engraving bits, single flute replacement for your CNC machine HSS Titanium Carbide Engraving Bits 10 pieces of the most commonly used router bit types, straight, trimming, V-groove, beading, bay, slot cutter, etc. Arbor Diameter: 3 mm (1/8") Length: 1-1/2'' (39 mm) Detailed Analysis Made of high quality high speed steel for long life with titanium coating, high hardness, no friction, no chipping, no fading HSS Router Bits Can engrave on a variety of materials, including wood, ABS, acrylic, PVC, plastics, etc. Shaft Diameter: 3 mm (1/8") Length: 1-1/2'' (39 mm) Detailed Analysis Long life and exceptionally precise cuts offer the advantages of high hardness, good wear resistance and heat resistance. Alloy Steel The batching head is preferably made of stable HSS compatible alloy steel. Rustproof Special surface of the batching head, the surface is light and sensitive. DIY Work You can do your work yourself at any time and simply put it in your tool bag.