Swivel Structural Beam Clamps are time-saving rigging solutions that provide a safe and load-rated method of securing loads from overhead Beams. Once anchored to a beam, they provide a simple and reliable method for aiming loudspeakers and other objects. Swivel Beam Clamps secure to a building’s overhead structural beams, steel or wood, for widths ranging from 3” to 12” (76 to 305 mm) wide. It’s lower suspension arm comes in a variety of lengths to suit the needs of the installation and rotates 360 degrees for precise aiming.