Assembled without use of nuts, bolts, or rivets, E-Z-Rect wide-span boltless racking has interlocking shelves that consist of 2 beams, 5/8 in. particleboard decking, and tie bars. Heavy-duty units have overall capacity of 10,000 lb and include 4 shelves that adjust on 2 in. centers. As complete standalone units, starter versions have 4 posts and 8 beams. Add-ons are also available, with 2 posts and 8 beams. Racking is available in 72 and 84 in. heights.