CLOSE UP SHOT OF THE PATENTED INSERT DESIGN REVEALS
THE HELIX WHICH ENABLES THE INSERT TO LOCK AROUND THE HARDENED AND
GROUND LOCK-PIN INSIDE THE MASTER JAW AND THE LOCK-SCREW
POSITIONING DETENT WHICH INSURES RIGIDITY AND ACCURACY |
CLOSE UP SHOT OF THE MASTER JAW REVEALS THE PATENTED
HARDENED AND GROUND LOCK-PIN AND THE CONE POINTED LOCK-SCREW |