Rotary hook shaft compensation mechanism: The right and left position are even when the rotary hook is forming a stitch, which prevents the stitch-skip and threadbreaking.
Built-in bobbin winder: It is equipped with machine on the top for easy use.
Micro lifter: For elastic materials, the presser foot can softly press on the material to prevent slippage or damage.
Optional functions: Auto thread trimmer and electric type presser foot lifter are optional for better sewing efficiency.