Torsion Bit, SAE, 5/16", Hex, T40, 1-1/4", PK5, Apex Tool Group, Mfr#: 480-TX-40X-5PK

If you are looking for a tool that will help you fasten or remove screws with ease, this Apex 480-TX-40X-5PK Torsion Bit is just what you need. It features the Torx torsion head which gives it more torque than other insert bits. This 5/16" hex bit has an overall length of 1 1/4 in., and a hex shank size of 1/4". Made from S2 steel, the bit tip measures T40. The hex shank size is 5/16", and the overall length is 1 1/4 in. With its high quality construction, this Apex Insert Bit will be an invaluable addition to your tool box.