KX747F-504M5-04/BK Back Latching Seaming   Features:

Technical parameters:

Model KX747F-504M5-23/BK KX737F-504M5-04/BK No. of Needles 2 1 No. of Threads 4 3 Needle Gauge 2 - Stitch Width 3/5 4 Differential Ratio 0.7-2 0.7-2 Stitch Length 3.6 3.6 Presser Lift Height mm 6.0 5.5 Needle DC×27#11 DC×27#11 Sewing Speed 7500 7500