USA Z Garment Rack, 4' Base, 5' Uprights, 500 Lb CapacityZ Rack with 4 Foot Base If youre tight on space, our Z4B5U commercial grade Z garment rack gives you the same load capacity of 500 pounds as our regular size racks but with a slightly more compact 4 foot base. The Z4B5U has 5 foot uprights and is built to the same high standards with all metal construction and heavy duty casters with large, 4 inch wheels that make it easy to roll and stable even under heavy loads. The only difference is the compact