https://peakerparts.com/รายละเอียดสินค้า/ตะขอจักรเข็มคู่ลูกโซ่-SHUNFA-รุ่น-SF3900-2--Looper-for-SHUNFA-Double-Chain-Stitch-Sewing-Machine,-Model-:-SF3900-2 https://peakerparts.com/upload-img/Looper/%E0%B8%95%E0%B8%B0%E0%B8%82%E0%B8%AD%E0%B9%82%E0%B8%9E%E0%B9%89%E0%B8%87%E0%B8%A5%E0%B8%B9%E0%B8%81%E0%B9%82%E0%B8%8B%E0%B9%88_SHUNFA.png