each sewing machine bobbin spool size: outer diameter 20mm/0.78inch, hole diameter: 6mm/0.23inch, outer thickness: 11.6mm/0.45inch, inner thickness: 9mm/0.35inch
Usage: are compatible with most standard household sewing machines, such as for Brother, for Feiyue, etc.
Plastic Bobbin Sewing Machine Spools applicable range: household multi-function sewing machine etc.
Iron Bobbin Sewing Machine Spools applicable range: vintage and mini sewing machine. etc.
Note: This product is suitable for household sewing machines (industrial machines are not available)
Due to the different display and different light, the color of actual item may be slightly different from the picture.
Please allow 1-3cm differs due to manual measurement.