Pliers with integrated, insulated tether attachment point for a tool tether Adjustment by shifting one jaw directly on to the workpiece: fast, reliable and comfortable handling. Fine adjustment: allows optimum adjustment to differently sized workpieces and comfortable handle position. Good access to the workpiece. Self-locking on pipes and nuts: no slipping on the workpiece and low handforce required. Gripping surfaces with special hardened teeth, teeth hardness approx. 61 HRC: high wear resistance and stable gripping. Box-joint design for high stability due to double guide. High load capacity having a slim design. Guard prevents operators' fingers being pinched. Chrome vanadium electric steel, forged, multi stage oil-hardened