The Premier Mounts AST-2446/2 2″ Adjustable-Height Suspension Adapter mates directly with all Premier Mounts PBM series projector mounts to provide you with 24-46″ (12-24″ if cut in half) of adjustable height in 1″ increments on a 2″ threaded pipe. The AST-2446/2 uses 2″ standard NTP pipe and tubing. The inside cable routing channel lets you create a clean, neat appearance for your projector mount installation.
Note that the AST-2446 may be cut in half, providing 12-24″ of adjustable height, for a $50 fee.