TCoology 3-Port Wall Plate Cover for Cat5e Cat6 Keystone RJ45 Jack – 5 Pack Lot
Double RJ45 Wall Plate is for versatile use. Take a mud ring (also known as a plaster ring) and hold it backwards and level up against the wall where you wish to mount the wall plate. With the sharp tip of your drywall saw make four marks on the wall on each inside corner of the plaster ring.