Alera Valencia Series Mobile Pedestal File, Left/Right, 3-Drawer: Box/Box/File, Legal/Letter, Gray, 15.88 x 20.5 x 28.39 - Mobile file cabinet is ready to go anywhere you need it to go. Full-extension ball bearing slides on file drawer for easy access to files. The drawers lock for securing contents. Durable 3 mm edge banding protects against bumps and dings. Five casters, two locking. Center caster prevents tipping. Fully assembled, just attach casters. Two, fold-away keys which provide a slimmer profile are included.