Product Size: Height 1.75" x Width 19" x Depth 0.39 " after assembled, taking 1U Space ; Fits for any Standard 19-inch Relay Rack, Cabinet or Wall Bracket. Hinged Side: Hinged Side can be assembled at left or right side according to your own usage ; you can open from the holding side, then the panel can be reversible for easy access & maintenance. Accepts All Snap-in Jacks: This 16-port Blank Patch Panel Accepts Almost All Snap-in Jacks,Such as Cat 6 or Cat 5 E. Use Keystone Jacks & Inserts to Configure Your Patch Panel to Accommodate a Variety of Setups. Heavy Design: This Keystone Panel is Made of Cold Rolled Steel with Powder Coating. Each Port Numbered: Each Port is Numbered for convenience.