Designed to mount wall plates flush Horizontal or vertical mounting; UL/CSA listed Adjusts to fit 1/4 Inch to 1 Inch thick wall board, paneling or drywall 5-pack of Low Voltage Mounting Brackets mounting brackets offer specially designed screw holes, for a better looking, easy to install job Designed to mount wall plates flush Horizontal or vertical mounting; UL/CSA listed Adjusts to fit 1/4-Inch to 1-Inch thick wall board, paneling or drywall 5-pack of Low Voltage Mounting Brackets Mounting brackets offer specially designed screw holes that deliver a better looking, easy to install job