Style X metal bobbins measuring 7/8" diameter, 5/16" between flat flanges.
? Available?by the 10 pack and the 100 pack
? For Singer 66, 99, 101, 185, 192, 201, 327-8-9, 401, 403, 404, 413, 416, 418, 457, 476, 478, 500, 503, 717 and other drop-in bobbin machines
Harper Lee - 2024-03-03
Very impressed with the fast delivery and the quality of the product. The customer service was beyond my expectations. Highly recommend.