An open electrosurgical forceps is provided and includes a pair of first and second shaft members each having a jaw member at a distal end thereof. The jaw members are movable from a first position in spaced relation relative to one another to a subsequent position wherein the jaw members cooperate to grasp tissue therebetween. A cutting mechanism is adapted to selectively and removably couple to one of the first and second shaft members. The cutting mechanism includes a cutting trigger for selectively advancing a knife blade extending therefrom through a knife channel defined along one or both of the jaw members. The first shaft member includes a stop feature formed thereon and the second shaft feature includes a stop member formed thereon. The stop feature and stop member configured to selectively engage one another to limit rotation of the first and second shaft members with respect to one another.