use this device in places where space is limited for thick HDMI cables to bend-such as LED TV when mounted close to wall.Or in places where wall bracket mount is close to the wall and cable cannot be inserted directly.Saves space and wear and tear of cable by providing an easy angle and avoids bends on cables and hdmi ports.Gold plates with pure copper for best signal transfer - optimum video and audio quality.Value pack of 2 to save money- economical