GigaTrue 3 CAT6 550MHz Lockable Snagless Stranded Ethernet Patch Cable Unshielded (UTP) CM PVC (RJ45 M/M) Use for all your network connections. Insert the optional Locking Pin to lock down ports. Tested to 550 MHz. Prevent unauthorized personnel from disrupting vital network connections. Protect publicly accessible network connections. Avoid downtime from accidental disconnects. Cables stay locked in placeuntil YOU take them out.