Juki Button Sewer Looper B1239-372-000 Juki Single thread chain stitch button sewer Juki Button Sewer M373/M372 Chain Stitch Looper. Part No B1239-372-000 Yoke Slide Part No B1237-373-000 Trojan Sewing Machines advises that when you replace the looper you should have a good inspection of the yoke slide. Trojan Sewing Machines Supply Equivalent Chainstitch Button Sewer Machines. Model Jack JK-T1377E. All with modern designs and the latest technology. All competitively priced.
