Continuous adjustment from 4" to 55". Two adjustable arm lengths (4" - 30" , 30" - 55"). Short throw dual stud projector easy hook in place installation with horizontal and vertical adjustment at the wall plate. Short throw dual stud projector arm ideal for projectors weighing up to 50 lb. Built-in projector roll, pitch and yaw adjustments make alignment fast and easy. Quick release mechanism allows projector to be easily removed for service.Complete Short throw dual stud projector kit required for installationMounts to a dual stud, on 16" centers, concrete or other structural surfaceCompletely adjustable extension positions projector 4" to 55" from wallLateral shift for perfect placementFully adjustable roll, pitch and yaw adjustment+ / - 5° height adjustment at the wall plateQuick release mechanism allows for easy service of projectorCompletely pre-assembled mounting interface for quick installationIntegrated cable management for clean lookPre-sorted hardware pack for easy installation