M1-SF series. Direct Drive, Overlock Stitch Machine, Auto Thread Trimmer

M1-424SF. Direct Drive, 2-needle 4 thread Overlock Stitch Sewing Machine, Auto Thread Trimmer.

M1-556SF (5mm). Direct Drive, 2-needle 5 thread Overlock Stitch Sewing Machine (5mm), Auto Thread Trimmer.

M1-534SF (3mm). Direct Drive, 2-needle 5 thread Overlock Stitch Sewing Machine (3mm), Auto Thread Trimmer.

https://youtu.be/rWMb45kOoO4