Chrome vanadium construction
High torque design
T0040 – 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2
T0042 – 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2
T0044 – 4, 5, 5.5, 6, 7, 8, 9, 10, 11, 12
T0046 – 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14