Digi-SEC RJ45 Cat 6/5e/5 F-F Keystone Coupler (12-Pack， Black)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Shipped Fast by Amazon from the US and eligible for Amazon's 30-day returns policy and Prime or Super Saver Shipping </span></li><li><span class="a-list-item"> RJ45 Female to Female Straight through Connector. Up to Cat 6 Gigabit rated (unshielded) - can be used for Cat 5/5e. Compatible with standard 4-wire RJ11 telephone/fax line </span></li><li><span class="a-list-item"> Can be used with or without the Keystone Latch. Enables much longer cables to be made from shorter cables. Can be used with 4 wire RJ-11 telephone and fax cable cords </span></li><li><span class="a-list-item"> Great for small or large multiple LAN workstation installations (temporary or permanent) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41VdF6snyUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21V9NdSLbaL.jpg" noproxy>