High quality material - Made of high quality high carbon steel, it is exceptionally strong, impact resistant and wear resistant. Not easy to break due to vibration. Note: Our wood splitting cone drill bit is not used for freshly cut logs. 3 drill bit modes: square handle, round handle, hex shank. Different models and sizes to meet all your needs and can be used for different types of electric drills. Efficient work to save time: efficient tools for clogging and opening wood for separation rapid log processing and increased productivity. Titanium coating to reduce friction and heat through heat treatment, makes cutting easier and more durable. Unique design and easy to use: Geometry reduces friction and saves time. Simply install the drill bit into the electric drill. (Fits most magnetic drills). Advantage: This versatile hand tool is perfect for cutting oak, walnut, etc. Widely applicable to home, outdoor, camping, farm. Not recommended for knotted woods or large diameter hardwoods. Specification: Type: Core drill bit Material: high carbon steel Application: wood drilling Used for: impact drill Drill type: round rhinestone, handle electric drill hexagon, round handle electric drill, square handle electric drill Instructions: Simply install the drill bit into the impact drill, then drill into the wood, and the wood will be easily cut. Feature: The product is integrally formed without splicing and is more sturdy and comfortable to use Hardening treatment, high hardness precision, wear resistance, durable use. Grooved anti-slip design for long working hours, making work comfortable. You can easily overturn large wood heating, wood at home, make it an easy job, save energy and time. This drill is suitable for a wide range of uses, whether family, camping or farm, can be easily used. Note: 1.Electric drill not included 2. The size in the size difference of 1-3 cm is within the normal range due to manual measurement. 3. Color may have a little difference due to lights, screens, etc. Sold by grid cool store