Series of 4 or 5-thread and 2 needle overlocks, equipped with an integrated energy saving servo motor (Direct Drive system), which guarantees quiet and reliable operation and lower power consumption Jack model Flatbed Flatlock machine with driect drive motor complete set Using the machine it will teach you the various functions itself, if there are errors it will notify you and by clicking the VOICE button it will suggest how to solve the problem, moreover with a single key you can return to the initial settings.