Chief VCM-82X Heavy Duty Custom Projector Mount VCM82XIndependent 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 (Low Profile Flush Mounting Kit) TAA compliant