Irwin Replacement Main screw for #3 Mechanics Vise #T3C

Use to replace worn parts on a Mechanics vise. Main screw is made from machined steel with a rolled 2-start acme thread for wear-resistance and smooth operation. The fused steel handle is made to bend before the vise can be overstressed. Includes main screw, handle, nut, pin, spring, and washer.