Tamperproof Locking Faceplate – TUK LTD SPDL0.5Bk, This TUK Ltd 0.5m DataLok locking patch lead is secure against unauthorised or inadvertent disconnection of critical network connections. It is compatible with all industry standard RJ45 Cat 6 and Cat 6A sockets Full performance to Cat 6 or Cat 6A as appropriate. TUK ltd SPDL0.5Bk DataLOK Cat 6 Patch Lead, 0.5m Long, Black