*Suitable for AC servo, retainer motor and using solenoid automatic backtracking system (optional) which keep constant stitches and stitch number in both on beginning and using backtracking during sewing.
*Pressing light on the control menu of backtracking would make sewing lightness.
*That enhances sewing efficiency.
*Including backtracking lever in order to make user operating convenient.
*Using independent solenoid design when trimmer to ensure to control thread tension of line action and make auto trimmer system perfect.
For the product specifications, please refer to our official website.