Due to its previous drilled condition, I would recommend it more for a drill press than a milling machine but maybe you need something sacrificial for your mill. Vise will open in excess of 6 if you remove the jaws, see pictures for best description.
The item "Palmgren 6 Drill Press / Milling Machine Vise With Swivel Base 610B Machinist" is in sale since Monday, March 23, 2020. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Vises\Machine Vises". The seller is "zwmcquig" and is located in Yorktown, Virginia.
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