Features and Benefits:?Ideal for frequent changeovers to workpieces of different sizes?Automatic adjustment for one-hand operation both for right-handed and left-handed use?Good access to the workpiece due to the slim dimensions in the head and joint area and flush joint bolt?Self-locking on pipes and nuts: no clipping off the workpiece and low hand force required?Gripping surfaces with special hardened teeth, teeth hardness (approx: 61 HRC): low wear and reliable gripping?Box-joint design: high stability because of double guide?Pinch guard prevents operators' fingers being pinched?Locking lever for space saving transport with reliable closed handles?Chrome vanadium electric steel?forged, multi stage oil-hardened