Fully modular system offers frames with 19" panel width in five heights and three depths, as well as a large selection of accessories.Frames are 14-gauge CRS and are suitable for single and multiple bay configurations.Accessory components are ordered separately for application and cost flexibility.Multi-formed and welded frame members provide superior strength, static and load bearing capability.Base is constructed of double-formed front and rear sections, MIG welded and reinforced with 11-gauge CRS corner caster gussets.Vertical columns interlock with frame top and base adding double material thickness for superior load bearing capability.Mounting rail channel support members are multi-formed and MIG welded for superior interlocking support.Panel mounting rails are fully adjustable front to rear.Rails are 11-gauge CRS, plated and tapped 10-32 (two pair supplied).Base includes four 3/8"-16 threaded sockets to accept leg levelers (Models LL-1, LL-2) and four 11- gauge CRS corner gussets that are punched to accept casters (Model CS- 5PR, CS-HDPR).Order levelers/casters separately.Base also has provisions to be permanently secured to the floor.Standard finish is a textured black #962.Other standard and special colors are available; consult factory for details.