What size dove tail cutter?

[DSM]

What size and degree dovetail cutter would I need to get in order to cut something to slide onto my BAT dovetail base?

 

[Mike Bryant]

What size and degree dovetail cutter would I need to get in order to cut something to slide onto my BAT dovetail base?

If it's a Kelbly type dovetail, 1/2" 60 degrees. Mill the slot out first then finish with the dovetail cutter.

 

[DSM]

Thanks Mike!