SF Cable Keystone Jack RJ45 CAT6A Blue (RJ45 to 110 UTP) Compatible with wall plates, surface mount boxes, and blank patch panels; works with Ethernet patch cables PCB technology provides maximum performance and superior signal quality; UL Listed Terminate with 110 punch down tool; Includes an integrated TIA-568A/B color wiring diagram 4 x 4 termination layout. Backwards compatible to all lower rated category components Lifetime Warranty