Boltless Shelving, Z-Beam, Overall Depth 15 in, Overall Height 84 in, Overall Width 72 in, Shelf Gauge 11 ga, Shelf Adjustment Increments 1 1/2 in, Steel, Steel, Steel, (20) Beams, (4) Posts, Includes Decking Yes, 600 lb, Whole Unit Load Capacity 3,000 lb, Starter, Open, SCS Indoor Advantage(R) Certified, Post Gauge 14 ga, Number of Shelves 5, Maximum Post Load Capacity 8,000 lb with Beams Evenly Spaced at 24 in, Powder Coated, Medium-Duty, Gray