HIGH EFFICIENCY】An easy to use sewing thickness, a convenient automatic trimming,a safe insulation handle.Quick sewing speed,low noise,small volume and light weight. INDUSTRIAL GRADE HIGH POWER】2s per bag,5000+ bags per day,its pleasant sewing speed,swing speed :1800-2600 needle/min.ouut put 190w, rotating speed 15000-16000r/m,able to work up to 20-hour continuously and long service life,automatic disconnection. MATERIAL】Made of heavy aluminum alloy ,copper core and wire. The main components of high-quality alloy steel support, easy wear parts have been a special heat treatment, mechanical parts solid, streamlined ADJUSTMENT】Stitch Distance: 7-10mm(0.275-0.394in); Sewing Thickness: 0.2-10mm (0.007-0.394in). the sewing bulk is about 11mm, and the pressing thickness is about 4mm. According to different materials, the pressure reducer can be adjusted appropriately to achieve the best effect.