The spreader is a lifing device that provides robust and reliable operations with containers and it´s placed between the container and the Lifting machine.
The spreader is capable of handling 20ft/40ft/45ft single containers depending of the spreader dimension, some of them can telescope, in this case the same spreader can be use for 20ft/40ft/45ft..
Depending how they are operated they can be manual, semiautomatic or fully Automatic.