Size: 2-9/16" Wide X 2-11/16" Long X 1-13/16" TallMaterial: Steel And RubberFinish: Zinc PlatedDesigned To Hold Screen And Storm Doors ShutClosing Action Of Door Engages Catch And Releases Stron Steel SpringSpring Tension Closes Door And Holds It In Shut PositionWeatherGuard Exterior Coating For Superior Corrosion ResistanceComes With Screws