Knipex SmartGrip® Water Pump Pliers with automatic adjustment grey atramentized, with non-slip plastic coating 250 mm 85 01 250Ideal 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 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