Features & Benefits
- Compatible with SINGER 201K, 99K, 28K, 66K models.
- 28mm outer diameter and 15mm inner diameter for a perfect fit.
- Made from high-quality rubber for durability and long-lasting use.
- Reduces friction and wear, extending the life of your sewing machine.
- Ensures smooth and efficient bobbin winding, preventing misalignment.
- Package includes 10 rubber rings for multiple uses.
