These Reversibles drive click type torque wrench has a heavy-duty cam-and-pawl mechanism for strength, durability and precision. 

1/2" The click type torque wrench design provides a torque range from 10-150 ft. lb.

1/4" The click type torque wrench design provides a torque range from 20-200 ft. lb.

3/8" The click type torque wrench design provides a torque range from 5-80 ft. lb.