Gauge Presser Foot Attachment Set, Singer (Vintage Original) - SLANT SHANK Finish:Chrome 404 they are sold separately

404 they are sold separately here

and above all it is PERFECT as a WALKING FOOT

The information it provides is not only informative for knowing all the inner workings of your machine

just for clarity -- many of the bobbins found in "Singer" packages at your local sewing store indicate that they fit the Singer model 221

and the split base at the right side of the machine under the receptacle

Gauge Presser Foot Attachment Set, Singer (Vintage Original) - SLANT SHANK Finish:Chrome 404 they are sold separatelyA Singer Sewing Machine Attachment GAUGE PRESSER FOOT Set which is complete with all the gauges. These pieces are so very tiny and can be difficult to find together, but for your sewing pleasure and collection, you will have the privilege of obtaining the entire set. This is for a Singer 301, 401, 500, etc. This will not fit a Singer Featherweight. This Fashion Aid has an accurate set of gauges, marked off into 1 8" lines and numbered. Two are