The 39392 Cloud Corkscrew hanger is hardware for use when installing acoustical melamine foam clouds in ceiling-mounted cable installation. These are available in two lengths. The shorter 1.5 in long corkscrew hanger is for use when hanging horizontal clouds. The longer 2.9 inch long corkscrew hanger is for use when hanging vertical baffles. Each package contains twelve corkscrew hangers. This is the 1.5 inch Cloud Corkscrew in a pack of 12.