JACK W4 - W4 ماكينة جاك

Flatbed Interlock. The speed of the W4 is 5,500 rpm, compared to the 3,700 rpm of a normal machine with cover, the efficiency increases more than 50%. Ability to sew on heavy, medium, light and mesh fabrics. Up to 8 layers of fabric thickness, without any adjustment, maintaining the beauty of the stitch.