
19-431 (3.2mm), 19-431A (2.5mm), 19-431B (2.2mm), 19-431N (2.7mm) 19-431S (2.3mm) LOOPER KANSAI SPECIAL FX-4400 SERIES Sewing Machine Spare Parts. Industrial sewing machine spare part compatible with STRONGH machines. Contact our team to verify compatibility with your specific machine model.