Specification:
Brand new
Diameter: approx. 21mm
Height: approx. 8mm
Aperture: approx. 6mm
Material: aluminum
Machine: single needle flat car
Color: silver
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 minor error due to manual measurement.
The colors may be a little difference for the different monitor display.