Commercial Electric 4 in. White Mounting Plate and Mounting Screws for Commercial Electric LED Strip Lights Covers Standard Junction Box 54657101 - The Home Depot
Mounting Light Fixtures - Fine Homebuilding
Project Source 4-in Silver Metal Ceiling Light Mount in the Ceiling Light Mounts department at Lowes.com
Light Fixture Mounting Bracket,2-3/8 Tenon Slip Fitter Adapter, Transform The Slip Fitter Into Arm Mounting, 90 Degree Wall Mount Bracket for Led Parking Lot Light, Outdoor Flood Light, Street Light - Amazon.com