Quantum 1239-809 steel shelving with 9 8"h plastic shelf bins red, 36x12x39-4 shelves the sturdy steel shelving shelf bin system comprises of a shelving unit and 8"h plastic shelf bins. these durable polypropylene nestable shelf bins feature a molded-in label holder, built-in rear hang-lock which allows bins to tilt out for complete access when on shelving. a wide hopper front allows complete access to the contents of the bin. this all-in-one unit is easy to clean and will not rust or corrode. the steel shelving has a smooth powder coat finish. shelving assembles easily.