1、CARBON STEEL: The wood splitter drill bit is made of carbon steel material, which is resistant to impact and wear, and is not easy to break due to vibration. 2、WITH 3PCS SHANKS: With square shank, round shank and hex shank, different models and sizes can meet more needs, can be used for different types of electric drills. 3、HIGH EFFICIENCY: Efficient logging tool that separates logs quickly, with ti coating to reduce friction and heat, making cutting easier and more durable. 4、EASY OPERATION: The firewood splitter drill bit is cone design to reduce friction and save time, just install it into the drill and ready to use (fits most magnetic drills). 5、APPLICABLE WOODS: Can be used for splitting sturdy oak, hickory, walnut, sycamore, but not recommended for knotty wood or large diameter hardwoods.