Here's the page, Joe
http://cart.jennys-sewing-studio.com...73_101_164_168 It's a snap-on for a low shank Singer. Styled like the slant shank snap-on one you have but for a low shank.
I've been looking...etsy, ebay, bonanza, etc...& still don't see a low shank one that ISN'T a snap-on.