High Quality Material: The wood drill bits are made from carbon steel material, which has the properties of impact resistance, wear resistance, high hardness, super hardness, durability and long life. Unique design: The deeper the thread of the drill, the more economical and comfortable the workload. Sharp design and anti-slip grooves prevent slipping and improve efficiency. Method of use: Just put the drill bit into the drill press, then drill the wood. The wood has the best hardness and strength and is easy to turn. No need to move the blade or worry about your child swinging the axe. Widely Used: This multi-functional log splitter hand tool is very suitable for splitting oak, pecans, walnuts, etc. . It is widely used in family, outdoor, camping, etc. It can open all types of softwood and hardwood. Number of pieces delivered: 4 Color: Black Size: please see image Welcome to meet