Jack JK-2030G Standard Stitch Feed Dial Part Number JK-1421100100 If you have a Jack standard lockstitch machine Trojan Sewing Machines Supply Equivalent Single Needle Lockstitch And Needle Feed Machines. Model’s Jack A4, A4S Jack JK-9100BS-7 and Jack JK-609C. Trojan GC0518-1B All with modern designs and the latest technology. All competitively priced.
