Includes everything for a flush mount installation to a concrete ceiling, wood beam or wood joist: PRS 1 projector mount, Spider universal adapter plate, standard and security Armor Lock fasteners, installation hardware.... - PRS Series Projector Ceiling Mount with Spider Universal Adapter Plate in White in shop - PATENT-ENDING PRECISION GEAR PROVIDES ACCURATE PROJECTOR IMAGE ALIGNMENT; 2 ADJUSTMENT KNOBS CONTROL PROJECTOR IMAGE ALIGNMENT; HORIZONTAL WRENCH ACCESS SLOTS MAKE FLUSH-MOUNTING INSTALLATIONS FAST & EASY; PRE-ASSEMBLED DESIGN REDUCES INSTALLATION TIME; QUICK-RELEASE MECHANISM TO EASILY SERVICE PROJECTOR; CABLE MANAGEMENT ALLOWS CABLES TO BE ROUTED THROUGH PROJECTOR MOUNT OUT OF SIGHT; SECURITY HARDWARE PROVIDED FOR THEFT DETERRENCE; HOLDS UP TO 50 LBS; TILT: ?20?, ROLL: ?10?, SWIVEL: 360? WHEN MOUNTED ON EXTENSION COLUMN, ?15? WHEN FLUSH MOUNTED ON CEILING;?INCLUDES SPIDERR UNIVERSAL ADAPTER ... - PEERLESS PRG UNV PRECISION GEAR PROJECTOR MOUNT BLACK - PATENT-ENDING PRECISION GEAR PROVIDES ACCURATE PROJECTOR IMAGE ALIGNMENT; 2 ADJUSTMENT KNOBS CONTROL PROJECTOR IMAGE ALIGNMENT; HORIZONTAL WRENCH ACCESS SLOTS MAKE FLUSH-MOUNTING INSTALLATIONS FAST & EASY; PRE-ASSEMBLED DESIGN REDUCES INSTALLATION TIME; QUICK-RELEASE MECHANISM TO EASILY SERVICE PROJECTOR; CABLE MANAGEMENT ALLOWS CABLES TO BE ROUTED THROUGH PROJECTOR MOUNT OUT OF SIGHT; SECURITY HARDWARE PROVIDED FOR THEFT DETERRENCE; HOLDS UP TO 50 LBS; TILT: ?20?, ROLL: ?10?, SWIVEL: 360? WHEN MOUNTED ON EXTENSION COLUMN, ?15? WHEN FLUSH MOUNTED ON CEILING;?INCLUDES SPIDERR UNIVERSAL ADAPTER ... - PEERLESS PRG UNVS PRECISION GEAR PROJECTOR MOUNT SILVER - more info -