Pallet Rack Add-On Unit Beam Height 4 5/8 in Beam Step Depth 1 in Step Beam Beam Style 14 ga Overall Depth 48 in Overall Height 8 ft Overall Width 108 in Load Capacity per Shelf 6 320 lb Add-On Pallet Rack Configuration 14 ga Upright Load Capacity @ 36 in 20 600 lb Whole Unit Load Capacity 12 640 lb Usable Width 9 ft Orange/Green Teardrop Connection Type Powder Coated Upright (4) Beams Wire Deck Steel Roll Formed Metal Forming Type Number of Shelves 2