Jack A4 Series Bobbin Winder Assembly For Jack plain sewers lockstitch machines. Part Number 1383103900 If you have a Jack A4 A2 A4S A5 F4 A4S-7H or A4H series sewing machine This is the bobbin winder assembly complete that sits on top of the machine head. 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.
