These TX fittings (compatible with TORX®) are commonly used for automotive and security applications. This popular selection can deal with a broad range from light to heavy (high torque) fixings.
¼" drive - 5 bits from E4 - E8 inclusive
3/8" drive - 4 bits from E10 - E14 inclusive
½" drive - 5 bits from E16 - E24 inclusive
Mounted in a storage rack