Jack Lower Knife 20119002 For E4, E4S overlock series of machines. Part Number 20119002 If you have a Jack JK-7798D-3 JK-798D-4 JK-798D-5, Jack JK-798 series sewing machine The top knife Part No 20119001 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.
