the High Quality Material - Made of high quality 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 Modes: 32mm, square handle, round handle, hexagon shank. Different models and sizes meet all your needs and can be used for different types of electric drills. Work Efficiently to Save Time: Efficient tools for plugging and opening the wood for fast wood separation and higher 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. Just install the drill bit in the electric drill. (Fits most magnetic drills). Advantage: This versatile hand tool is perfect for cutting oak, walnut, etc. Widely used at home, outdoors, camping, farm. Not recommended for branch wood or large diameter hardwoods. Package Included: 1