Combines the proven Cobra® functions of reliable locking of the hinge bolt with an additional push function which makes it easier to work in very confined and inaccessible areas. Fast adjustment on the workpiece by sliding the pliers handle. Reliable locking of the hinge bolt with the first workload. The pliers stay locked in place and can only be readjusted by pressing the button and resetting. 25 adjustment positions. Chrome vanadium electric steel; forged, multi-stage oil-hardened.