Heavy duty in continuous operation: up to 10 times longer service life compared to turned tips. With inserted tips for reliable work. Heavy duty under continuous use. Up to 10 times longer service life. Precise, smoothly-operating screw joint. Forged. Large contact faces on the tips: no distortion of circlips, easy fitting. Slim head style allows use in confined areas. Internal opening spring, protected and captive. Handles with non-slip plastic coating. Inserted tips: spring steel wire, drawn. Pliers body: chrome vanadium electric steel, forged, oil-hardened.