EMSea 10PCS Sewing Machine Bobbin Winder Rubber Ring Compatible with Singer 201K 99K 28K 66K Outer Diameter 28mm Inner 15mm Thickness 6.5mm Black

Compatibility: Compatible with SINGER 201K/99K/28K/66K, and other similar models. Dimensions: 28mm outer diameter, 15mm inner diameter, 6.5mm thickness. The precise sizing guarantees a snug and effective fit for your bobbin winder, improving the stability and efficiency of the sewing process. Construction: Made from rubber material for long-lasting use. The flexibility and elasticity of the rubber ensure that the rings provide a firm grip during winding, reducing friction and wear over time. Not Compatible with Larger Bobbin Winders: Please note, these rings are not compatible with SINGER 1890's 128K/28K V2 Version models with larger bobbin winders. Ensures Smooth, Steady Bobbin Winding: These rubber rings help ensure steady and secure bobbin winding during sewing. The firm grip prevents slipping or misalignment, ensuring that your machine runs smoothly and efficiently for longer sewing sessions., Manufacturer: EMSea