Dewalt Dxst10000, 4', 3 Shelf Industrial Rack, Designed & Engineered To Provide Heavy Duty Storage, Upright Storage System Expands Out Of The Box With 2 Pre-Loaded Upright Bolts Reducing The Stress That Comes From Assembling Large Industrial Racks, Adjustable Shelves That Can Be Configured To Fit Your Specific Needs, 3 Industrial Strength Wire Grids & 1 Composite Wood Deck Provide A Total Load Capacity Of 4,500 LB When The Weight Is Evenly Distributed, Small Steel Clips Are Prevent The Wire Grids From Moving Around Or Warping Over Time, 2 Types Of Safety Straps For Each Shelf That Prevent The Crossbeams From Spreading Under Heavy Loads Or Twisting Out, Ensuring Your Tools, Boxes & Other Heavy Storage Items Are Secure, Uprights & Beams Feature An Industrial Powder Coated Finish That Won't Fade Or Chip.