Strict manufacturing standards ensure the highest quality in all Intellinet Network Solutions products. All items carry a full Lifetime Warranty - the strongest quality commitment anyone can make. Solid and reliable terminations for copper cabling featuring a minimum of 3 mm 50 micro-inch gold-plated jack contacts. Ideal for Ethernet, Fast Ethernet and Gigabit Ethernet network applications. For use with unshielded twisted pair (UTP) Cat5e network cable. Standards: IEEE 802.3 (10Base-T Ethernet); IEEE 802.3u (100Base-TX Fast Ethernet); IEEE 802.3ab (1000Base-T Gigabit Ethernet). Horizontal distance between left and right mounting holes: 465 mm (18.3 inch). Vertical distance between top and bottom mounting holes: 31.8 mm (1.25 inch).