pliers with tether attachment point for mounting a fall protection Box-joint design for high stability due to double guide. Self-locking on pipes and nuts: no slipping on the workpiece and low handforce required. Guard prevents operators' fingers being pinched. Favourable lever action: optimum transmission of force. Gripping surfaces with special hardened teeth, teeth hardness approx. 61 HRC: high wear resistance and stable gripping. Chrome vanadium electric steel, forged, multi stage oil-hardened