Navepoint 50-Port Cat3 Voice Phone Patch Panel 19-Inch Wallmount Or Rackmount With Wiring For T 568A And T 568B 1U Black Designed to mount on any standard 19" rack or cabinet. Bold port numbering enables quick and ready identification of outlets. IDC contract material : phosphor bronze with tin plating over nickel Front surface is uninterrupted by screw heads for a clean apperance.