Featuring 50 micron gold contacts, Keystone Jacks and Couplers for Cat3, Cat5e, Cat6, and Cat6A applications are color coded to facilitate EIA/TIA 568A/B wiring. Products meet/exceed EIA/TIA category standards and are compatible with industry standard wall plates. Compatible with industry standard keystone jacks and EZ-SnapJacks, 1-, 2-, and 4-port Wall Plates are engineered to prevent possible fracturing from over tightened screws. These one-piece, single-gang products measure 4.5 x 2.75 in.