Container corner casting according ISO 1161. All standard ISO containers worldwide have a set of 8 container castings, one at each corners. Each set consists of bottom left, bottom right, top left and top right pieces, two of each type. The corners are identical except for the difference in the front hole in the top ones, which has a particular form designed so that the lashing bars’ heads are correctly fitted into it. The breaking load of the corners is 50t and they are made of weldable Steel.