Black Box GigaBase 3 CAT5e 350-MHz Lockable Patch Cable (UTP) - Yellow - patch cable - 30 ft - yellow

The one-of-a-kind cables give you the ability to lock down critical network ports - when you need to - without buying new patch cords. Use these premium cables for your everyday network connections. Then, when you need to secure network ports, you can. Best of all, because these cables cost the same as regular patch cords, you get convenient, rock-solid security on a budget.