Cylinder-bed, top and bottom coverstitch machineMF-7900/7900D series: H22 (Hemming, for light-weight)MF-7900/7900D series: H23 (hemming, for medium-weight)
Model: MF-7922-H23/UT
Reference: MF-7923-E22
Cylinder-bed, top and bottom coverstitch machineMF-7900 series: E22, E23 (Endless spandex elastic band attaching)
Model: MF-7923-E22