Protect fixture against wind and vibration damageCushion type for added protection where lighting fixtures are subjected to vibrationBall type swivel joint permits 20 deg swing from verticalSupport fixtures with a maximum weight of 50 lbFor use with threaded rigid metal conduit and IMC
Emerson Electric Appleton® UNILETS™ 8458R Ball Swivel Hanger Cover, 1/2 in, For Use With SHC Flexible Fixture Hanger, Malleable Iron/Steel