Edsals 77"W x 24"D x 72"H metal shelving unit is a standing 3-shelf storage rack with welded steel frames, welded steel beams and wire shelves with a capacity of 1500 lbs. per shelf. This unit has steel braces on both end frames for added strength and capacity. The three 72" wire shelves adjust in 3" increments. The beams on this storage rack feature beam end clip tabs that secure to the end frame post slots. This aids in quickness of assembly.. See full description for further details