Leviton 5W770-N Opt-X SDX Medium Wall-Mount Fiber Enclosure Accepts up to 12 SDX Fiber adapter plates or 12 SDX MTP cassettes. This medium sized fiber enclosure is ideal for applications requiring patching, cross-connect, and/or splicing of single-mode or multimode fibers while utilizing a minimum of space 

• Accepts up to 12 SDX adapter plates or 12 SDX MTP cassettes 
• Designation stickers allow identification of port assignments
• Capable of storing up to three meters of 900 micron tight-buffered fiber per adapter
• Solid Metal Door with Lock and Key
• Self-healing grommet material at all cable entry and exit points
• Stackable and adjustable fiber management rings included
• Includes hardware kit with hook and loop ties, screws, a caution label, and cable ties
• UL Listed; meets or exceeds all ANSI/TIA-568-C requirements
• 16-gauge steel, powder-coated black
• Dimensions: 15" x 17" x 5.25"