an electrical connector shield case for covering either protuberance or opening of an insulating housing with a plurality of contacts therein , which comprises a cylindrical metal member ; at least one boss provided on the side of said cylindrical member so as to make shielding contact with the shield member of another connector ; and latch means provided on said cylindrical side for engaging with said insulating housing . a method of making such an electrical connector shield case , which comprises the steps of punching out a metal sheet with at least one boss and latch means ; bending opposite ends of said metal sheet upright ; and bending said opposite ends inward to form a cylindrical shield case .