Product Name: Voice Keystone JackPlace of Origin: ChinaFeatures: 1) Meets or exceeds TIA/EIA 568 A/B wiring specification 2) Pin contactors are plated with gold over nickel, be of perfect transmission perforation 3) Plug insertion life: >750 times 4) IDC material: PC engineering plastic 5) IDC connector is phosphor bronze 6) Available in any color 7) Supply whorl telephone jacks Packing: 1pc/polybag 50bags/box 20boxes/carton