Advantage: Screw Cone Driver owns grooved non-slip design for long working hours, making work comfortable. Unique design and ease of use: The Splitting Wood Cone Drill Bit is geometry reduces friction and saves time. Just install the bit into the power drill. Multiple choices: There Firewood Heavy Duty Drill Bits are 3 drill modes: square handle, round handle, hex shank; 45mm models and sizes to meet all your needs. Widely used: This Wood Drill tool is great for Firewood Machine work, for example: it can be used to split oak, hickory, walnut, etc. Widely used in home, outdoor, camping, farm. Work efficiency and time saving: Log Wood Splitter Dr for felling and opening wood, making work comfortable, improving work efficiency and practicality.