ZY1790 zoyer High speed lockstitch straight button holing sewing machine

1)Suitable for button holing of all kind of materials. Specially for sleeve button holing.
2)Set the first 5 stitches by panel to realize low speed start, can prevent thread broken if high speed start.
3)With the electronic control. Can be bar-tacking for the last several stitches, to prevent the thread loosing.
4)Equipped with 30 standard keyhole forms.