Dewalt Dxst10000, 4′, 3 Shelf Industrial Rack, Designed, Engineered To Provide Heavy Duty Storage, Upright Storage System Expands Out Of The Box With 2 PreLoaded 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