[Wood Drill Bit Size]Total length: 16 cm, drill bit length: 11 cm, drill bit diameter: 42 mm. For drill bits with 1/2 round shank and 1/2 hexagon shank. [High-quality material] The firewood drill bit is made of high-carbon steel material, is shock-resistant, wear-resistant, has high hardness, high toughness and durability for a long service life. [Advantage] Ribbed anti-slip design for long working hours and makes work comfortable. [Efficient work] Efficient wood cutter for cutting and opening wood to quickly separate wood and increase productivity. Not recommended for Nordic woods or large-diameter hardwoods. [Application] Simply insert the drill bit into the electric drill and drill into the wood, and the firewood will be easily pulverized to its optimal hardness and resistance. No moving blades and no worry about your children swinging an axe. Product Description: 1. Made of high-quality carbon steel 2. All types of soft and hard woods can be opened. 3. Fast wood separation and