Specifications: Material: high-quality carbon steel Size: 32 mm/1.26 inch, 42 mm/1.65 inch, 45 mm/1.77 inch Shape of the bits: round, square, hexagon Efficient firewood splitting: Firewood splitter drill bit is an efficient tool to help you split wood quickly, especially small pieces of wood, already thin wood, and kindling. The smaller the piece, the better it works. Note that very hard woods, very wet woods, and very large logs are difficult to split Suitable for soft woods: The log splitter has a better splitting effect on soft and dry wood, such as pine. It is not recommended for splitting hardwoods such as oak logs, knotty woods, or wet woods. If the wood is approximately 20 cm wide, split in multiple stages and hold the wood securely to prevent it from turning with the bit Easy to use: Use correctly by drilling straight and always starting at the edge. Do not drill into the center first or angle the bit. For logs larger than 20 cm in diameter, pre-split the log in half using other tools before using this drill bit to save time and effort Compatible with various power drills: 32 mm, 42 mm, and 45 mm wood splitter bits work with hammer drills, impact drills, corded, and cordless drills. Best results achieved when used with appropriate electric drills on soft and dry woods Strong and durable: Log splitter drill bits are precisely machined from high-carbon steel with fine threading. Highly impact resistant and wear resistant, designed not to break. The head penetrates to separate the wood. A powerful drill enables fast splitting, even in harder woods Power recommendations: The 45 mm log splitter is intended for heavy-duty use and should be used with a hammer drill. The 32 mm log splitter is for light-duty use. Recommended minimum power: 750W for electric drills, 500W for hand drills. Not suitable for impact electric drills with pure electric drill function or three-jaw clamping drill chucks Package includes: 1 x drill + 3 x bits