Jack Upper Looper 20117007 For overlock series of machines. Part Number 20117007 If you have a Jack E4, E4S, 798D, JK-803D, JK-805D, JK-795D-5, series sewing machine This is the Secondary / Upper looper Trojan Sewing Machines Supply Equivalent Single / Twin needle overlocks, Jack E4,C4,C5 high speed overlocks All with modern designs and the latest technology. All competitively priced.
