JK-F4 is a high speed direct drive sewing machine that uses energy saving technology. It makes the machine a very quite and efficient industrial sewing machine. It is also equipped with an automatic lubricating system that reduces friction and heat. This enables the machine to work for long hours at high speeds. The maximum speed is electronically adjustable.
JACK JK-6380 – Single Needle Lockstitch Heavy Duty Top and Bottom Feeding Machine. Especially for heavy duty, Suitable for heavy duty materials, especially for leather such as car seats, bags, gloves. Integrated Easy to Install and Operate.
JK-609S Single Needle Lock Stitch Heavy Duty Fabrics, Tents, Leather Goods (Complete Set). This is a cost-effective lockstitch sewing machine for heavy duty fabrics especially with the big hook which is capable for 26 meters bobbin thread, reduce the frequency of thread-changing, increase the operation efficiency greatly.