The jaw plate is positioned on {HEAD ~ the fulcrum} and is kept aligned on {TAIL ~ the clamp plate} by a keyway rib and slot structure 
The jaw plate is positioned on { HEAD ~ the fulcrum } and is kept aligned on { TAIL ~ the clamp plate } by a keyway rib and slot structure
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH