Easily adjust the postion of button holing, Much improve the work efficiency.
The clamp foot can be lifted as high 12nm, more easily to put heavy material.
The Stop-motion mechanism and Knife mechanism produce low noise,and also starts,decelerates and stops smoothly.

Stitch sample:

Model No.of Needles Material Needle Sewing Speed Stitch Length
ZJ781/781-BD 54~345 3600 (rpm)
mm
ZJ782/782-BD 54~345 3600 (rpm)
mm
ZJ783/783-BD 54~345 3600 (rpm)
mm
ZJ784/784-BD 54~345 3600 (rpm)
mm