Attractive zinc chromatic finish available as convenient complete starter and add on units or as separate component shelves posts and hooks shelf corner levels snap firmly to 2 part split sleeve collar system for fast assembly and rapid shelf adjustment shelves adjustable at 25mm increments posts are marked and numbered every 50mm for precise shelf placement 900 kg bay capacity shelf capacity 350kg udl up to 1219mm wide and 275kg up to 1829mm wide nb s hooks used for add on bays redu