3 MODES OF DRILL BITS --- Square Handle/Round Handle/Hex Shank. 32mm/42mm Different models and sizes to meet your all needs and can be used for different types of electric drills. NEW UPDATE AND MORE STRONGER --- Made of high quality high carbon steel,it's exceptionally strong, impact resistant and wear resistant.No easy to breaks due to vibration. EFFICIENT WORK TO SAVE TIME --- Efficient tools for logging and open the wood for quick separation of logs and increased productivity.Titanium coating to reduce friction and heat by heat treatment,makes cutting easier and more durable. EASY TO USE --- Just install the drill bit into the power drill, and drill the wood, and the firewood will be spiltted easily.No moving blades, and don't have to worry about your kids swinging an axe. ADVANTAGE --- Split tough oak, hickory, walnut, sycamore;Not recommended for knotty woods or large diameter hardwoods. If you want to do a good job, you must have a good tool Specification: Type: Core Drill Bit Material: high carbon steel Application: Wood drilling Used for: Hammer Drill Drill Type : rhinestone round,hex handle electric hammer drill bit, round handle electric hammer drill bit, square handle electric hammer drill bit Package Included: 1 * Wood Splitter Drill or 3* Wood Splitter handle Instructions: Simply install the drill bit into the hammer drill and then drill the wood and the wood will be easily cut out. Notice 1. Size in 1-3cm size difference is in normal range due to manual measurement. 2. Color may have a little difference due to lights, screens, etc.