A clip for quickly hanging strings of decorative lights with magnetic base lamp sockets on a home or building. The clip has a ferrous metal base with a hole in the center and a plurality of spaced-apart retaining tabs around the perimeter of the base extending a predetermined distance away from the base. Each of the plurality of spaced-apart retaining tabs has a groove on each side of the tabs to reduce weight. The clip is attached to wood with a screw or a nail or attached to metal or glass with a glue, epoxy or double sided adhesive tape.