Specifications include, but are not limited to: Demco Wave Mobile Double-Face Shelving Maple/Color Laminate Shelving SKU W12205650 1" thick, laminated furniture board panels, shelves, and uprights. Radius corners with 3 mm PVC edging. Double Sided units include a combination of 35"W flat display shelves and sloped periodical shelves - all interchangeable within the cases. 42"H units have 6 total shelves (4 flat 2 sloped) 48"H units have 8 total shelves (6 flat 2 sloped) 60"H units have 12 total shelves (8 flat 4 sloped) All shelves adjust in 1-1/4" increments and support up to 150 lbs. each. Six 3" dia., industrial strength locking casters. Units measure 76"W X 25"D overall. If an alternate is offered, bidder must state the brand name and model number of the alternate offered. Detailed literature on the alternate offered must accompany the bid. Failure to do so will invalidate the bid.