What is the difference between an IU-XL Series inline ratcheting torque wrench and a SU-XL Series square drive ratcheting torque wrench?
The IU-XL Series is a low profile hydraulic ratcheting torque wrench that utilizes individual interchangeable hex inline ratcheting heads to engage the fastener/hex nut. With the IU-XL Series, the interchangeable hex inline ratcheting heads and body/cylinder units are available in various sizes to meet the size and torque requirements of various fasteners/hex nuts. The SU-XL Series is a square drive hydraulic ratcheting torque wrench that utilizes industrial impact sockets from 3/4″ to 2-1/2″ square drive to engage fasteners/nuts.