I have had this vise for over 40 years and it in mint condition. It’s mounted on a steel truck rim w/8 5/8 casing.
theres no cracks, or repairs make a good shop vise
this is a 40S model, mfg. in the early 1940’s
jaw width= 4 1/2 inches
opening=6 inches and depth 2 3/4 inches