Sell 10pcs 21mm Industrial Sewing Machine Tools Aluminum Bobbins for Singer Brother best price

Specification: Brand new Diameter: approx. 21mm Height: approx. 8mm Aperture: approx. 6mm Material: aluminum Machine: single needle flat car Color: as picture shows Suitable for: This bobbin for general flat car. Computer flat car, aluminum products, anti-Lai wear, rust Bobbin computer with ramp bobbin core industrial sewing machine bobbin Package included: 10pcs x bobbins Note: Please allow 1-2mm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same