A medical instrument tool or end effector constructed of a fixed jaw having a distal grasping end and a proximal body end a movable jaw having a distal grasping end and a proximal body end a slide member controlled from a tool actuator, adapted for linear translation and supported between the jaws at least one link that inter-couples between the slide member and the movable jaw and a pivot member mounted at the fixed jaw and for engagement with a slot in the body end of the movable jaw.
