Boltless Shelving Z-Beam Overall Depth 12 in Overall Height 84 in Overall Width 60 in Shelf Gauge 11 ga Shelf Adjustment Increments 1 1/2 in Steel Particleboard Steel (2) Posts (20) Beams Includes Decking Yes 750 lb Whole Unit Load Capacity 3 750 lb Add-On Open 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