A jaw assembly, comprising: a jaw body having a first end and a second end, and the jaw body comprising: an insert pocket defined in the jaw body, the insert pocket including: an opening at the first end of the jaw body; an arcuate profile relative to a plane between the first end and the second end of the jaw body; and a shoulder defined by a portion of the first end of the jaw body and the opening of the insert pocket; and an insert configured to be retained in the insert pocket by the shoulder of the jaw body, wherein the insert is configured to rotate within the insert pocket and wherein the shoulder is configured to retain the insert in the insert pocket, wherein the insert comprises an at least partially arcuate shape complementary to the arcuate profile of the at least one insert pocket, and wherein the insert has first and second gripping features, characterized in that the insert pocket includes first and second stops (445A', 445B') positioned along the arcuate profile, wherein the insert comprises first and second channels (440A', 440B') extending into and along the arcuate shape, wherein said first and second stops (445A', 445B') allow the insert to rotate between engagement with ends of the first and second channels (440A', 440B'), wherein the first stop is positioned within the first channel and the second stop is positioned within the second channel, and that the insert comprises a first slot and a second slot, wherein the first gripping feature is positioned within the first slot of the insert, and wherein the second gripping feature is positioned within the second slot of the insert. a jaw body having a first end and a second end, and the jaw body comprising: an insert pocket defined in the jaw body, the insert pocket including: an opening at the first end of the jaw body; an arcuate profile relative to a plane between the first end and the second end of the jaw body; and a shoulder defined by a portion of the first end of the jaw body and the opening of the insert pocket; and an insert configured to be retained in the insert pocket by the shoulder of the jaw body, wherein the insert is configured to rotate within the insert pocket and wherein the shoulder is configured to retain the insert in the insert pocket, wherein the insert comprises an at least partially arcuate shape complementary to the arcuate profile of the at least one insert pocket, and wherein the insert has first and second gripping features, characterized in that the insert pocket includes first and second stops (445A', 445B') positioned along the arcuate profile, wherein the insert comprises first and second channels (440A', 440B') extending into and along the arcuate shape, wherein said first and second stops (445A', 445B') allow the insert to rotate between engagement with ends of the first and second channels (440A', 440B'), wherein the first stop is positioned within the first channel and the second stop is positioned within the second channel, and that the insert comprises a first slot and a second slot, wherein the first gripping feature is positioned within the first slot of the insert, and wherein the second gripping feature is positioned within the second slot of the insert. an insert pocket defined in the jaw body, the insert pocket including: an opening at the first end of the jaw body; an arcuate profile relative to a plane between the first end and the second end of the jaw body; and a shoulder defined by a portion of the first end of the jaw body and the opening of the insert pocket; and an insert configured to be retained in the insert pocket by the shoulder of the jaw body, wherein the insert is configured to rotate within the insert pocket and wherein the shoulder is configured to retain the insert in the insert pocket, wherein the insert comprises an at least partially arcuate shape complementary to the arcuate profile of the at least one insert pocket, and wherein the insert has first and second gripping features, characterized in that the insert pocket includes first and second stops (445A', 445B') positioned along the arcuate profile, wherein the insert comprises first and second channels (440A', 440B') extending into and along the arcuate shape, wherein said first and second stops (445A', 445B') allow the insert to rotate between engagement with ends of the first and second channels (440A', 440B'), wherein the first stop is positioned within the first channel and the second stop is positioned within the second channel, and that the insert comprises a first slot and a second slot, wherein the first gripping feature is positioned within the first slot of the insert, and wherein the second gripping feature is positioned within the second slot of the insert.