HIGH QUALITY MATERIAL The do firewood shredder bit set is made of high quality high carbon steel, which is very strong, impact resistant, wear resistant and not easy do break due to vibration. liandgt DRILL SIZE Electric conical drill do woodworking and do wood cutting. liandgt The drill bit size is an extension rod with a 50mm round handle to meet your needs. liandgt EFFICIENT AND TIME-SAVING Efficient logging and do logging tools make work more convenient and improve productivity and practicality. liandgt Titanium coating reduces friction and heat through heat treatment, making cutting easier and more durable. liandgt EASY TO USE Just install the drill on the electric drill to drill wood, firewood spills easily. liandgt Detachable electric drill do wood do home use does not ma movable blade, so you do not have to worry about your child wielding an axe. liandgt WIDE APPLICATION This versatile do shredding hand tool is ideal do splitting oak, hickory, walnut, etc., widely used at home, outdoors, camping and on the farm. SPECS: Color: blackliandgt Drill length:105mmliandgt The length of the drill blade:78mmliandgt Diameter of drill: 50mmliandgt Material:stal high carbonliandgt Connecting rod size:as shown in the figureliandgt INCLUDED: 1 x drill do chopping woodliandgt 4 x connecting rodliandgt