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. Suitable for most woods, made from high quality carbide for a precise and easy cutting experience 20pcs of the most commonly used types of drill bits, including straight, cutting edge, V-groove, beading, groove, slot cutter and many more to meet your different needs. Able to engrave 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 used, straight, cut, v-groove, bead, bay, slot cut, etc. Shaft Diameter: 3mm (1/8") Length: 1-1/2'' (39mm) Detailed Analysis Made of high quality high speed steel for long life with titanium coating, high hardness, frictionless, no chipping, no fading HSS router Can engrave on a variety of materials including wood, ABS, acrylic, PVC, plastics, etc. < p> Shaft Diameter: 3mm (1/8") Length: 1-1/2'' (39mm) Detailed analysis Long life and exceptionally precise cuts provide the benefits of hardness high, good resistance to wear and heat. Alloy steel The dosing head is preferably made of HSS compatible stable alloy steel. Rustproof Special surface of the batch head, the surface is light and sensitive. DIY work You can do your work yourself at any time and just put it on in your tool bag.