I honestly thought I had the only one known to exist till I saw this post. The only other pics I had seen posted were various people that had what looked like my same vise. Mine does have the swivel base. I had never found the catalog page posted here so that's neat to find! Best I have heard is...
Anyone have a main body for a Wilton 4" machinist vise? Mine is cracked. Also the C shaped plate that holds the screw to the dynamic jaw would be nice to replace.