A front jaw having a device for indicating predetermined release values, which front jaw has a housing and a sleeve which is longitudinally adjustable with respect to the housing against the force of a release spring supported on the housing. The sleeve is fastened to one end of a pull rod, the other end of the pull rod carrying a release plate under which short lever arms of two toggle levers grip. The housing has an essentially rectangular recess therein and a window in this recess, with the window enabling the reading of release values indicated by a pointer. The device indicates an exact release value even when the sleeve experiences a change in position relative to the housing during a stepping in with a ski shoe. The sleeve includes an upper surface facing the scale which includes an arrangement for slidably engaging the pointer which is associated with both an engaging device and the scale.