Keeps important materials easily within reach. Glare-free, polypropylene sleeves with rugged frames. Metal bracket, angled to hold sleeves open. Includes display sleeves and metal wall bracket with mounting hardware. Expands a wall system without limits by mounting additional wall systems side by side. Two each: black, blue, green, red and yellow; includes snap-on tabs. Rack Style: Reference; Material(s): Metal; Sheet Capacity: 20; Number of Compartments: 10.