Made up of high carbon steel material, impact , wear , high hardness, super toughness and durability for long service life. Deep thread design helps you to split large firewood easily, you can easily to spilt large firewood, wood at home. It is a tool of efficiency. Fine workmanship, clear lines and stable working performance. Groove -skid design, prevent slippage and improve efficiency. This drill is suitable for a wide range of use, whether it is family, camping or farm, can be easily used. Note:1. Try to dry the wood and split the wood. 2. Split the material from the edge during use. Specifications: Product name: Firewood Drill Bit Color: Black Material: High carbon steel Application: Firewood Splitter Used for Electric Drill Size: About Diameter 32mm, 42mm Types: 1(Hex shank), 2(Electric mallet type), 3(Impact drill type) Package Included: 1 PC* Firewood Drill Bit Note: Transition: 1cm=10mm=0.39inch 1. Due to the light and screen difference, the item& 039;s color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement..