Boltless Shelving, Z-Beam, Overall Depth 18 in, Overall Height 84 in, Overall Width 48 in, Shelf Gauge 14 ga, Shelf Adjustment Increments 1 1/2 in, Steel, None, Steel, (2) Posts, (5) Medium Profile Deck Levels, Includes Decking No, 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