Manufacturer Part Number: Torx Socket Set Unit Quantity: 2 Tools Included: Sockets,6" T40 Bit,2" T40 Bit Size: T40. Why Choose Our T40 Torx Bit Socket Set?. Industrial Strength S2 Alloy Steel: Constructed from the highest quality heat-treated S2 alloy steel, these Torx bits are drop-forged to enhance durability and improve torque resistance.