Double face plate for networking cables with rj45 cat 6 key stones. dimensions: 85mm x 85mm instructions provided cat 6 compliant into most single gang buttress boxes for wall mounting. used when networking your home or office for a neat professional look. tips for wiring your home/office: use solid network cable in walls and under floorboards etc. it s not as flexible but better for this type of usage long distances and the best speeds. where all the cables meet at the other end use a patch panel for easy connection and simple future modification