The Grote 4" Round Steel Theft-Resistant Mounting Flange is the perfect solution for mounting round LED and incandescent lamps. Made with premium steel and a stainless finish, this flange is designed to provide a strong and secure attachment. The 4-1/2" mounting hole spacing makes installation simple and easy. This flange is built to last while being resistant to theft, makes this flange the perfect choice for any lighting application. FleetPride is your First Click in Heavy Duty®.