Industrial bobbins for industrial Pfaff sewing machines.  For models 141, 142, 143, 144, 145, 146, 175, 191, 192, 193, 240, 341, 345, 353, 441, 451 and 145H3B.

Diameter: 21.9 mm x 8.9 mm

Hole diameter: 6.0 mm

*Please allow for +/- 0.2 mm error in measurements due to manual measurement and manufacturing standards.