Bi-material sheath - Chrome plated - Opening 36mm 9 adjustment positions Good access to the workpiece thanks to the tapered shape of the head/hinge area More performance and comfort than standard pliers of the same length: 9-position opening adjustment for 30% more gripping power Self-locking on pipes and nuts: no slipping on the workpiece, less effort required Specially hardened jaws with teeth on the inside, hardness approx. 61 HRC: secure Pliering thanks to high wear resistance Interlocking hinge: high stability due to double guidance Robust, dirt-resistant design Ideal for outdoor work Protective lug to prevent pinching Chrome vanadium electrical steel, forged, oil-hardened in several stages