The WiltonTradesman Bench Vise features a fully sealed, one-piece spindle nut assembly, a redesigned spindle assembly with replaceable Tommy bar, a precision machined slide, and machined steel serrated jaw inserts with black phosphate, anti-corrosion coating. This Tradesman version comes in four sizes, with jaw widths of 4-1/2", 5-1/2", 6-1/2", and 8". The 60,000 psi, ductile iron body, jaws and base of the bench vise are backed by Wilton’s Lifetime Warranty.