UNIQUE SEWING "Class 66" Metal Bobbins – 125 pcs

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Durable Class 66 metal bobbins with curved sides and four holes for classic top‑drop‑in systems. Robust construction supports stable tension and long service life across a wide ran ge of fabrics. Suitable for some Brother, Baby Lock and Singer machines, but not for Pfaff, Janome, Elna, Bernina or Husqvarna models. Supplied in a 125‑piece bulk pack for studios, service departments and high‑volume sewists who need consistent performance. Show more