Flat-bed, top and bottom coverstitch machineMF-7500/7500D series: E11 (Elastic lace attaching)
Model: MF-7523D-E11
Reference: MF-7923-E22
Cylinder-bed, top and bottom coverstitch machineMF-7900 series: E22, E23 (Endless spandex elastic band attaching)
Model: MF-7923-E22