Vintage Singer Sewing Machine Class 66 Bobbins In Original Package NOS

Vintage Singer class 66 sewing machine bobbins in original, unopened packaging. Package contains two bobbins. Will fit the model 66, 99, 101, 185, 192, 201, 328, 401, 403, 411, etc.  Bobbins are in perfect condition, but the original cardboard will show some signs of age similar to the example shown. Singer part #172222