Flat Work Darner, Singer (Vintage Original) felt This side trays will only

This side trays will only work with the style of case that does not have the wooden blocked corners

Please see photo for arrow indicator as to which part this is

Prices changed considerably by 1954 when the old style Buttonholer fell to $4

LOW SHANK (ONLY): This attachment fits the Singer Featherweight 221

Flat Work Darner, Singer (Vintage Original) felt This side trays will onlyVintage original Singer Flat Work Darner can be used for any sewing machine. Use it for darning or free motion machine embroidery. Sampled in the photographs using a Featherweight 221 & 222K but it will accommodate all other Singer Sewing Machine models as well 15, 66, 99, 185, 192, 201, 206, 306, 319, 328, 401, 403, 404, 500, 503, or even non Singer Sewing machines this little hoop will work anywhere! Most people want this attachment to actually use,