This saw arbor was design to not only cut a slot but to part off a small part in a vertical orientation to minimize 2nd op processing.

It will work with any milling machine, Just hold it by the 3/4" Shank 

The Shank is 3/4" dia. and 2" long.

The overall length is 3.078"

The face plate is .25" past the bottom of the saw blade, and 1.35" dia.

The largest Dia is 1.35"

The main body is  1.6" down from the shank shoulder to the top of the blade.

SAW BLADE NOT INCLUDED