Ideal for frequent changeovers to workpieces of different sizes Automatic adjustment per one-hand operation both for right-handed and left-handed use Good access to the workpiece thanks to the slim dimensions of head and joint area and flush joint bolt Self-clamping on pipes and nuts: no slipping on the workpiece, effortless working Gripping surfaces with special hardened teeth, teeth hardness approx. 61 HRC: high wear resistance and stable gripping, Weight: 0.8157103694 Pounds, Manufacturer: Knipex