Both the craftsman vises look and feel solid, and the columbian is built like a tank. I'm not sure if I should try to refinish it, or leave it and hit with a coat of wax? When you back out the dynamic jaw toward the end it gets pretty stiff. I'm not sure if it's just not as worn in at that point, or if it's lack on lube on the slide.
Twins are a lot of work for sure but they definitely worth it. If I do decide to let 1 of the vises go I will give you all 1st dibs