This overlock sewing machine is with function of back tacking.

Technical data:

Sewing speed: 4500RPM

Needle system: DCx27 11#

Number of needles: 2

Number of threads: 4

Presser foot lifting height: 6mm

Stitch length: 0.5-3.8mm

Stitch width: 5mm

Differential feeding rate: 0.7-2mm

Packing size: 45*35*48cm