Professional Quality, manufactured from chrome vanadium electric steel, oil hardened and tempered, with smoothly ground long pattern jaws, joint faces and an accurately formed box joint with safety stop. The extra slim head and joint area ensure an ideal access to the workpiece in confined working spaces. The parallelogram-shaped gripping surfaces have specially hardened teeth to 61HRC for positive grip on pipes and nuts. One hand press button adjustment. Plastic coated handles. Has &';no-nip&'; feature which prevents handles locking together and damaging users&'; hands. Due to ever greater compactness of components and devices, space in the work area is increasingly limited. Requirements around gripping forces and tool capacities, however, are not lessening. The Knipex" Cobra" ES facilitates powerful gripping in confined spaces. Ideal for service and maintenance, equipment repair, automotive and general industry Long, narrow jaws Good access to the workpiece due to very slim construction of head and joint area Grips flat material due to three-point rest Adjustment at the touch of a button directly on the workpiece 19 fine adjustments for optimum adaptation to different size workpieces and a comfortable gripping position Self-locking on pipes and nuts, no slipping off the workpiece and low hand force required Box-joint design for high stability because of double guide Reliable catching of the hinge bolt with no unintentional shifting Chrome vanadium electric steel; forged, multi stage oil-hardened