This is the standard Synta-type dovetail shoe that works with the 3" Feather Touch focuser, as well as the 3" Stellarvue. Please note: This shoe IS NOT for the 3 1/2" Feather Touch focuser. For the 3 1/2" use the FBD shoe. It comes with two 8-32 X 3/8" stainless button-head screws for attachment.
