Flat-bed, top and bottom coverstitch machineMF-7500/7500D series: E11 (Elastic lace attaching)
Model: MF-7523-E11
Reference: MF-7922-U11/UT
Cylinder-bed, top and bottom coverstitch machineMF-7900/7900D series: U11 (Universal model)
Model: MF-7922-U11/UT