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, Particleboard, Steel, Decking, Includes Decking Yes, 850 lb, Whole Unit Load Capacity 3,400 lb, Starter, Open, Post Gauge 14 ga, Number of Shelves 4, Maximum Post Load Capacity 8,000 lb with Beams Evenly Spaced at 24 in, Powder Coated, Medium-Duty, Sand