The part number may be for a PowerPro Mark 7, but that number could just as easily have been sourced from the Shopsmith web site as it could have been read off of the machine itself. The fact that the original ad listed it as as a mythical "Mark V11" and the ad has been changed to specifically list a "Mark 5" makes me think that the seller doesn't know which end is up (or if it is a double tilt
By the way, is it just me or is there a disproportionate amount of Shopsmith equipment and accessories advertised as "new in box" or that has only been taken out of the box to take a photo but was "never used"? If all these claims are true, it is an unusual phenomenon. How many new in box Unisaws are out there?