KNIPEX Tools 4611A3 External Straight Retaining Ring Pliers, 8.25-Inch For easy fitting of external circlips. For rings 40 - 100 mm in diameter. Tips are forged outward and are used for installing rings on the outside of a shaft or groove. Forged from chrome vanadium electric steel and designed to minimize tip breakage, and offer extended tool life. Plastic coated handles.