The 10301 corkscrew stainless steel hanger is hardware for use when installing acoustical melamine foam baffles for 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 2.9 inch vertical baffle hanger for humid environments.