A main staple for many years in the office and installation industry. This Big Bad Panel Cart can handle up to 4000 lbs (possibly more) with our overall construction. The extra upright bar allows for the handles to literally hold the weight of some of the heaviest items (marble slabs, plywood, panels, and sheet rock. Just for added measure, we made sure that the crown mirage casters complimented this piece of equipment, because when this thing is full of weight, you want the best casters on the bottom of it for transport.