TV Wire Hider Kit for Wall Mount TV, White in Wall Cable Management Kit, Includes 2 Pass Throughs and Hole Saw Drill Attachment for Easy Install: Amazon.co.uk: Electronics & Photo
TV Wall Mounting with Cable Management Gallery : AV Installs Ltd, Professional Audio Visual Installation & Sales
The New Way to Approach Wall Cable Management – UT WIRE
ECHOGEAR in-Wall Cable Management Kit - Includes Power & Low Voltage Cable Management - Hide TV Wires When Mounting A TV - Includes Hole Saw Drill Attachment for Easy Install: Amazon.co.uk: DIY
Ultimate In-wall Cable Management Kit for Mounted TV & Soundbar