This is a package of 2 universal security clips for servo connections. Make sure your servo connector linkages don't separate in mid flight. Used to keep your rc servo extension connectors from separating and holds them tightly together. Gives you peace of mind while flying. MPI Servo Security Clip * Contains: 2 clips * Material: Tough plastic * Color: Black * Weight Each: 0.6 g (0.02 oz) * Type: universal