This mount provides the strong support you need for mounting heavy LCD/CRT projectors. Independent roll, pitch and yaw adjustments for quick and precise projector registration Multiple installation options: flush mount to ceiling, use 0.5 threaded rods, use a 1.5 NPT extension column Quick connect/disconnect for convenient lamp and filter access on most projectors Cable management through top of the mount without additional accessories To flush mount the VCM,see LPK1