... Japan),3-phase stepper motor, hook (made in Japan), bobbin case (made in Japan), encoder (made in Japan)Functions:1) Auto ... low speed idle running6) Thread broken detecting7) Auto return to the stop/original point8) Manual frame moving9) Adjustable rotating speed10) Power ... steadymoving2) Heads, stitch frame, rotary hook case are all made by CNC3) The rotary hook, bobbin case are made in Japan and less ...