Features: High-quality material: The electric-hammer conversion rod sleeve is made of high-quality metal material, which is wear-resistant and corrosion-resistant, not easy to rust and break, and is strong and durable. Exquisite workmanship: The electric-hammer conversion rod sleeve has exquisite workmanship and high-quality materials, which can bring you a good use experience. Easy to use: Install it on an electric drill to convert the drill into a screwdriver. Drilling with this adapter is precise and easy. Universal: Designed for use with a electric-hammer. Used to extend all types of screwdriver bits, drill bits, etc. Versatile: Allows your hammer-drill to drill smaller holes using a drill bit. Great for small projects converting a heavy impact drill to a smaller drill bit. Notice: Actual color may be slightly different from the image due to different light effect Please allow 1-3cm deviation due to manual measurement Description： Material: chromiums vanadiums steel Size: As Shown Package List: 3 x Hex Shank Converter for Electric-Hammer