Knipex 4911A3 External Straight Precision Retaining Ring Pliers 9-Inch Large contact faces on the tips: no distortion of circlips, easy fitting. For rings 40 - 100 mm in diameter. Sturdy, inserted tips: made from high density drawn spring wire. Forged from chrome vanadium electric steel and designed to minimize tip breakage, and offer extended tool life. Plastic coated handles.