The DataComm Electronics Dual-Gang Low-Voltage Mounting Bracket is designed to mount cable plates flush against the wall. This plate is the dual-gang option and will fit the DataComm line of dual-gang low-voltage cable plates. It comes with instructions. . For mounting low-voltage cable plates . Adjusts to fit .25" to 1" thick drywall . Mounting wings fasten against the back of the drywall as it\\'s tightened . Quick & easy installation for horizontal or vertical mounting