Suitable for the transfer of drill bits, screwdrivers, bits, Expansion of various types of 1 / 4 " screwdriver heads, screwdriver head conversion use Made from steel, this extension drill driver sleeve adapter ensures durability and long lasting use Perfect for various applications such as automotive repairs, furniture assembly, and electronics maintenance Expand your tool collection with the versatile 1 / 4 " Bit Holder and enjoy screw tightening in any situation Suitable for professionals of mechanical repairs and individual who require screw tightening solution, Manufacturer: Murye