JJ3004GS-01M JJ3004GS-20F

1 needle, 3 thread, overlock machine for plain seaming (01M), for turn down hemming (20F)
    JJ3004GS-01M JJ3004GS-20F
    Max speed 8500rpm
    Needle Type #DC×27 #9 #DC×27 #11
    Stitch Length 1~3.8mm 1~3.2mm
    Presser Foot Lift 5mm
    Needle Bar Stroke 24.4mm
    Diff.Feed Ratio 0.7~2
    Gauge Size