Class 66 Bobbins for Singer

Jam-free sewing for smooth results: Avoid thread bunching and skipped stitches with genuine Sewphee Class 66 sewing bobbins. Designed for balanced tension, smooth thread flow, and rounded rotation.

Easily manage thread colors & quantity: Clear bobbins let you check thread color and fullness instantly — ideal for dressmakers switching between threads on Class 66 compatible machines.

Enhance your stitches on every project: Improve stitch quality across Class 66 compatible models for hemming, quilting, and tailoring with consistent, steady thread tension.

Premium quality for long-term use: Precision-made in Taiwan and packaged in Canada. Durable plastic holds shape through repeated use. Top and bottom have rounded shoulders.

Compatible Singer bobbins: Crafted for machines that require Class 66 bobbins as replacement parts. Ideal for hobbyists and fashion students using top-loading Singer machines.

Confirm your machine uses Class 66 bobbins (check your user manual before purchase).

Wind thread evenly onto the bobbin, insert it into your top-loading bobbin case as directed in your manual, and sew as usual.

Use clear bobbins to monitor remaining thread and keep different colors ready for your next project. Store spare bobbins in a clean, dry place.