Attributes . Empty, Accepts up to 12 Adapter Plates & 12 Splice Trays, Removable Hinged Front Doors and Hinged Rear Door, Flip Card for Connector Identification, Large cable Management Rings for Enhanced Jumper Routing, Metal Door & Key Lock Options for Increased Security, Pigtails Routed Internally for Maximum Protection, Cable Clamp Kits for Additional Cable Strain Relief, Made in USA . Names