The Usage of Ring Type Container Lock Head and Inserted Container Lock Head are the Same. Equipped with Four Wire Ropes; It is a simple Conatainr Spreader.
Insert into Four Holes at the Top of the Container, manully rotate 90 degrees and put down Stopping Lock Plate, and then the spreader can lift.

Container Bottom Side Lock Head used for Open Top Container with Wire Rope Sling to lift

Automatic Container Spreader with No Power
Used for Port Crane under 40t, Light Weight, No Power, Easy to Operate and Less Investment
Two Alternative Types of Spreader: 30t-20feet and 32t-40feet