Ill route mine out I have a brand new one never fitted for a MD65, Ill measure it for you, if I rember it's the holes that are a funny ofset as they are a pain to fit as the chuck has studs and it's a pain to change, by the way I have a MD65 with all gears and a lot of spare parts including original vice pluss quick change tool holders, spare top slide ands all the extra essel eng sold. plus a clark stand and tray.
PM ME
PETER