UNIQUE SEWING Plastic Bobbins – Singer Class 66 – 4 pcs

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Replacement class 66 bobbins engineered for consistent winding and smooth thread delivery in compatible machines. Durable plastic construction resists deformation, and the curved-p rofile transparent bobbin for many older singer models helps maintain even tension for neat stitches. Supplied as a pack of four for quick swaps during projects. Always match bobbin class to your machine and use one fully wound bobbin at a time. Show more