Tapered and claw drill bits, designed in different shapes to meet your daily work needs. High-quality carbon steel: The woodworking cutter set is made of carbon steel, which is durable and corrosion-resistant, with high precision, high strength, and a smooth surface. Multiple sizes: The woodworking cutter set is available in two shapes, each in four sizes: 1/4" (6 mm), 3/8" (10 mm), 1/2" (13 mm), 5/8" (16 mm). Shank diameter: about 10 mm. Function: When making furniture, we usually need to use screws and nails in the visible area. This set can be used to remove old nails and screws from furniture and floors. Versatile: This is an excellent drilling tool, flexible and easy to use, for drilling holes and removing plugs. Suitable for hand drills and bench drills. If you want better results, we recommend using it with a bench drill. PACKAGE INCLUDED: The set includes 4 cone bits and 4 claw bits for your daily needs. The speed should not be too fast, it is easy to produce smoke, burns, etc. Features: 1. Made of high-quality hardened carbon steel, with fine workmanship, high strength, durability, smooth surface, embroidery resistance and corrosion resistance. 2. Flexible and easy to use, it can be used for drilling holes and connecting plugs. Suitable for hand drills and bench drills. 3. Please adjust the speed when using, if the speed is too fast, it may get stuck or occur. 4. The high-quality material can allow you to fully use it for a long time, saving you a lot of expense of replacing the drill bit.