Description
Some of sheet material should require to be sewn by lock-stitch machine.
QMZ-4420 has been developed to be solving such problem.
It has 2 needle gauge set with 6.4, 12.7, 19 and 25.4mm space (Select one), and horizontal rotating large size hook.
Compound feed mechanism is standard and is available front-puller and needle-cooler as option.
