One piece castin of vise bed ad flexed jaw. Down Thrust "Semis-spgere Segment" mechanism-eliminates jaw life and work tilt.
Rigid mareroal-vise body of ductile iron FCD60JIS (equal to GGG60) with 60 kgs/mm² or 80,000 psi tensile strength. Vise bed flame with harden treatment up to HRC 45° and up wear and maintain for long.