Boltless Shelving Z-Beam Overall Depth 24 in Overall Height 120 in Overall Width 48 in Shelf Gauge 14 ga Shelf Adjustment Increments 1 1/2 in Steel Particleboard Steel (2) Posts (5) Deck Levels Includes Decking Yes 850 lb Whole Unit Load Capacity 4 250 lb Add-On Open SCS Indoor Advantage(R) Certified Post Gauge 16 ga Number of Shelves 5 Maximum Post Load Capacity 8 000 lb with Beams Evenly Spaced at 24 in Powder Coated Medium-Duty Gray