Individual stackable cart units come together with a simple four corner post design for even weight distribution. The removable crossbar on each cart provides ability to have a single or dual layer of product. Features 8" x 2" fork pockets for stacking and portability. Cross bar dimensions are 2"W x 38"L. Individual carts can be stacked with almost 3 high. 8" x 3" phenolic casters roll easily. Each stacker is sold separately so if you want to stack three be sure to order three.