Iso corners castings as specified by 1161 Corner fittings located at all eight corners of the container. They are used to handle the container. Lifting gear, such as container gantries and crane , is attached to the corner castings of the containers in order to lift them. The corner castings are used in conjunction with twist locks to secure containers when traveling on road vehicles or stack and fasten them securely to the deck of sea-bond vessel. Benefits of using a iso corner fitting Maintains the integrity and stability of the structure Absorbs the forces which the lock units/lashings exert on container when they are stacked on top of one another, during handling and during transport Facilitates multi-model transport (rail, road, ocean) Enables multiple stacking (vertically) up to six high and more. Makes the handling of structure easy and safe.