The casters are 3" diameter, two locking, two non-locking wheels for improved navigation and easy reconfiguration. 
The perforated modesty panel adds stability and function. 
Use in combination with other components to design a host of configurations. 
15 Year Manufacturer's Limited Warranty.
SKU 68067 GRAY TOP WITH CHARCOAL LEGS
SKU 68068 MAHOGANY TOP WITH BLACK LEGS