PREMIUM MATERIAL - Made of high quality carbon steel, very strong, impact and abrasion resistant. Not easy to break due to vibration 3-mode drills - square shank, round shank, hex shank. Different models and sizes are available to meet all your needs and can be used with different types of drills. Work efficiently to save time - efficient logging and splitting tools for fast splitting logs and increased productivity. Titanium coating reduces friction and heat through heat treatment, making cutting easier and more durable. Unique, easy-to-use design - geometry reduces friction and saves time . Simply install the drill into the electric drill. (suitable for most magnetic drills) Benefits - Cracked oak, hickory, walnut, sycamore; not recommended for knotty or large diameter hardwoods. Color : Black. Material: carbon steel