Drop Ceiling Mounting Plate provides sturdy support for Bretford Universal Adjustable Data Projector Mounts when installing the mount in a 24" drop ceiling grid. Plate is designed for installing above 2' x 2' or 2' x 4' ceiling grid. Included hardware contains what is necessary to attach the plate to your ceiling grid and give your Universal Adjustable Data Projector Mount all the support it needs. Plate includes knockouts for electrical and data cable outlets. 6 lb. Drop Ceiling Mounting Plate is made of steel with an off-white powder paint finish.