Jet 320315-8" Sg Iron Bench Vise-Super Heavy Duty Hydraulics Tools manually opened to allow oil

manually opened to allow oil to flow back to oil reserve when cylinder retracts

Safety on/off switch with removable lock key

Torque-drive sockets apply torque to flats of fasteners to prevent corner rounding and increase torque

by carl REED

Jet 320315-8" Sg Iron Bench Vise-Super Heavy Duty Hydraulics Tools manually opened to allow oilStrongest cast vise on the market Massive castings made of superior quality 80,000 PSI tensile strength SG iron for maximum strength and impact resistance Spheroidal graphite (SG) iron forms a much stronger molecular structure than regular cast iron Up to 30 Percent higher tensile strength than competing ductile iron vises Precision machined hardened steel jaws Polished ACME threaded screw for smooth operation and maximum strength Sliding beam is