Knipex 4611A4 External Straight Retaining Ring Pliers 12.75-Inch For easy fitting of external circlips. For rings 85 - 140 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.