We offer Twin Parallel Seams Bag Sewing Machine .Model GB-2N4TWIN PARALLEL SEAMS BAG SEWING MACHINE (AUTO LUBRICATION SYSTEM):2 Needle, 2 Loopers, 4 Thread, Twin seams each double lock chain stitch sewing machine for sewing heavy weight laminated jute bags, Jumbo Bags, PPPE woven cloth bags requiring for extra strength on the seam. Working Speed : Approx. 3200 stitch per minuteMaximum Speed : 3500 Stitches per minuteStitch Range : 10 to 16 stitches per 100mm (variable)Material Thickness : Up to 10mmNeedle Size : DN 1 - #25 or - #26 (Depending on thickness)Lubrication : Complete oil pump lubrication with oil recycling system