Heavy duty in continuous operation: up to 10 times longer service life compared to turned tips. Large contact faces on the tips: no distortion of circlips, easy fitting. Bolted joint: precise, zero backlash operation of pliers. Internal opening spring, protected and captive. Non-slip plastic coating on the handles. Pliers body: chrome vanadium electric steel, forged, oil-hardened. Inserted tips: spring steel wire, drawn.