Design Fosmon Low Voltage Wall Plate Mounting Brackets are specially designed to install low-voltage cables and wires in the wall.Its backless design stores the space needed for speaker wires, coaxial, HDMI and data/communication cables.Perfect for surround sound systems, banana wallplates, HDMI wallplates and coaxial wall plates. Recessed Mount Designed to mount wall plates in a flush mount on the wall. Easy to install: trace, cut, and install.Use the backside of the bracket as a guide to trace and cut holes on the wall. FULLY ADJUSTABLE - Adjustable to fit a variety of wall thicknesses from 1/4" to 1".