The RJ45 is an 8-pin/8-position plug or jack commonly used to connect computers onto Ethernet-based local area networks (LAN). Can be used with any standard Ethernet cable for fast data exchange. Easy to use when crimping and last long due to the high combination of materials used. Can also be used to connect Ethernet cables to wired and wireless routers and switches as well as creating patch cables. Allows for high speed data transfers. Pack of 30's. Can also be used to connect a smart TV to a router for Internet entertainment.