|Stitch length||5 mm|
|Maximum sewing speed||4500 rpm/min|
|Type of needle||Dbx1|
Single needle lockstitch sewing machine lockstitch bottom feed and flat platform JACK JK-SHIRLEY IB . The machine is equipped with an advanced direct drive economical engine can save energy 60% more , compared with a friction – drive. The templates JACK is applicable to sew various types of light and medium heavy materials . In addition,a system for automatic lubrication proves that it is an excellent and durable sewing machine.