For Projector Ceiling Mounting Requires VCM Housing Supplied with Screws & Washers The Chief Custom Interface Bracket is a hardware component that can be used together with the VCM housing (not included) to mount a video projector to a ceiling. This bracket attaches to the top of the projector using the provided screws and is then coupled to the VCM housing via slots on either side of the bracket. This unique slot design will enable the projector to be easily mounted or removed from the ceiling without the need for screwdrivers.To confirm the compatibility of this mount with your flat panel TV or monitor, visit Chief's MountFinder Pro. Unique bracket slot design enables easy mounting and dismounting to and from VCM housing Attaches to top of projector using provided screws