Jet 320312-4" Sg Iron Bench Vise-Super Heavy Duty Material Handling 4-ball "positive locking" mechanism

4-ball "positive locking" mechanism

Ultimate power in reverse maximizes removal of stubborn rusted nuts Twin Hammer mechanism provides more power and smooth

5/16" X 50FT

Generous shoulder relief allows unrestricted arm movement

rear exhaust outlet directs exhaust air away from the work piece 6-Inch x 120 gram Plus /-5

Jet 320312-4" Sg Iron Bench Vise-Super Heavy Duty Material Handling 4-ball "positive locking" mechanismStrongest 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