We are offering portable bag closer sewing machine np-7d. Technical details power 220v bag closing speed 1800 stitches per minute type of stitch feberal 101 -two parellel thread chain stitch stitch length 3 stitches per inch (25.4mm) fixed type of bags all kinds of multi-wall paper, jute, burlap, cotton, hessian, woven pphdpe bags needle db x 1 – 20025 – groz-beckert material thickness up to 12mm weight 5.1 kgs.