The SmartRack SR42SIDE is an individual side panel for the standard depth SR42UB. The panel can be used as replacements for an expansion cabinet (SR42UBEXP) where the needs have changed and a side panel is now wanted. SR42SIDE comes with a key locking latch.- Side panel with locking key- Use with standard depth 42UB- Use as a replacement or an expansion cabinet- Individual side panel for the standard depth SR42UB- Can be used as replacements for an expansion cabinet (SR42UBEXP) where the needs have changed and a side panel is now wanted - Includes key locking latch