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
1 5/8 in Length X 1 5/16 in Width X 0.98 in Height, for Mc, Ac and Flex Cable

• Special Features: 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 Ring,Bridle,1 1/4 Dia 1/4-20 Threaded