Work efficiency and time saving Efficient tools for felling and opening wood, making work comfortable, improving work efficiency and practicality. Titanium coating to reduce friction and heat through heat treatment, makes cutting easier and more durableDifferent modes of drills There are 3 modes of drill bits: square handle, round handle, hex shank; 45mm models and sizes to meet all your needs and can be used for different types of electric drillsUnique, easy-to-use design Geometry reduces friction and saves time. Simply install the bit into the power drillHigh quality materialThe log splitter detachable drill bit is made of high quality high carbon steel, which is extremely strong, impact resistant and wear resistant, providing long service lifeAdvantage Grooved non-slip design for long working hours, making work comfortable. Product Size: 42mm Type: Core drill bit Material: high carbon steel Application: wood drilling Used for: impact drill Package included 1x wood drill 3x handle (square handle + round handle + hex shank) Instructions Install just the drill bit in the hammer drill, then drill the wood and the wood will be cut easily. Notice 1. The size in size difference of 1-3cm is within the normal range due to manual measurement. 2. Color may have a little difference due to lights, screens etc.