Features: 1.Made of high quality carbon steel, it is very strong, resistant to impact and wear. 2.Firewood drill bit comes with three kind of drill sticks(hex+square+round), meet your needs. 3.Efficient tool for cutting and opening logs to quickly separate logs and increase productivity. 4.The coating reduces friction and heat through heat treatment, making cutting easier and more durable. 5.Easy to install, no complicated tools required, convenient to use, save time and effort. Specification: Item Type: Firewood Drill Bit_x000D_ Material: High speed steel_x000D_ Purpose: Chopping wood and firewood_x000D_ 1. Round Drill Stick suitable for splitting drill bits for electric hammers with two pits and two grooves with round shank_x000D_ 2. Hex Drill Stick suitable for splitting drill bits for triangular socket electric drills_x000D_ 3. Square Drill Stick suitable for splitting drill bits for square handle four-pit shank electric hammers_x000D_ _x000D_ Compatible models:_x000D_ Square handle electric hammer: electric hammer, wood splitting, suitable for square handle joints_x000D_ Round shank impact drill: electric hammer, wood splitter, suitable for round shank joints_x000D_ Electric hammer with hex handle: electric hammer, wood splitter, suitable for hex handle joint