Metal Class 15 bobbins for sewing machines that specify this bobbin style and material.
- Class: 15.
- Material: metal.
- Listed diameter: 21mm.
- Listed height: 11mm.
Check your machine manual before ordering. Metal and plastic bobbins should not be treated as interchangeable just because they share the Class 15 name.
If your machine specifies plastic Class 15 bobbins, see the plastic Class 15 listing.