Item Type: Wood Splitter Drill Bit Material: Carbon Steel Shank Type: Hex Shank, Square Shank, Round Shank Shank Length: Approx. 64mm / 2.5in Shank Diameter: Approx. 13mm / 0.5in1CARBON STEEL: Made of excellent carbon steel material, has high hardness, impact and wear resistance, not easy to break due to vibration. 23PCS SHANKS: Equipped with 3pcs shanks, with square shank, round shank and hex shank, can be used to install on different types of electric drills. 3HIGH EFFICIENCY: Efficient logging tool that separates logs quickly, with ti coating to reduce friction and heat, ideal for large project log splitting. 4EASY OPERATION: The firewood log splitter drill is tapered design to reduce friction and save time, just mount to the drill and it's ready to use. 5APPLICABLE WOODS: Can be used for splitting sturdy oak, hickory, walnut, sycamore, but not recommended for knotty wood or large diameter hardwoods. 1 x Drill Bit 3 x BitShanks 1 x Storage Box