Alc Series Cushion Hanger | 1 5/8 in Length X 1 5/16 in Width X 0.98 in Height, for Mc, Ac and Flex Cable | It Has Set Screw for Locking Fixture Stem; Protects Fixture Against Wind and Vibration Damage; Dual Function - Conduit Outlet Box and Fixture Hanger; Can Be Wired at Work Bench; for Added Protection Where Lighting Fixtures Are Subjected to Vibration