The condition is very good preserved regarding its age and use.
eBay
The vise has been disassembled, cleaned and oiled. The spring is strong. There are no owner markings. The wing nut is marked "CNU" and the bolt head is marked with a "G".
eBay
eBay
Hole in back. Made here in the USA these jaws are 6" Wide, 1" High, and 5/8"Thick, with hole spaced at 2 3/8" center. Despite the photo showing 5 1/6" shoulder screws. These jaws should last the life of the vise.
eBay
Measurements are in the pictures
eBay
eBay
Vise jaws are made of 45# steel with diamond-shape grooves which provide more clamping force in order to keep workpiece more stable during machining. The vise can be bolted onto the top surface of a workbench, with the face of the fixed jaws just forward of its front edge.
eBay
The living steel plate of the bench vise is integrally pressed, not easy to break. The vise body is cast with special materials, which has strong tensile strength and is. Item Type: Bench Vise. The jaws of the bench vise can only be used to clamp objects, and cannot be knocked on the crimping objects.
eBay