High Material - Made of high steel,it's exceptionally strong, impact resistant and wear resistant.No easy to breaks due to vibration. Square Handle,Round Handle,Hex ShankDifferent models and sizes to your all needs and can be used for different types of electric drills. 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. Unique Design and Easy to Use:- Geometry reduces friction and saves time.Just install the drill bit into the power drill.( Fit magnetic drills) ADVANTAGE - Split tough oak, hickory, walnut, sycamore;Not recommended for knotty or diameter hardwoods size:42mm Material:steel colour:black Package Contents: 1 x Wood Splitter Drill 3 x handle( Square Handle+Round Handle+Hex ) Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.