Synchronizes the feed of upper and lower layers of material by top and bottom feeding mechanism while sewing inflationary materials and latently movable materials with medium and heavy weight. It is provided with top and bottom feed system and foot alterating lift mechanism, available for sewing leather canvas, etc.Model Number of needles Number of threads Stitch Length(mm) Needle Bar Stroke(mm) Presser Lift Height (mm) Needle Max. Sewing Speed(s. p. m) Packing Size L. W. H(mm) GW/NW(kg) Hand Knee TJ-3300 1 2 0-8 35 6 13 DP*5#7-#23 2500 580*260*530 34.5/30
