Kern 3500 High Performance Inserting System (2011), Hunkeler UW6 unwinding station, 4 pocket folding station, product plus 4 additional inserts, automatic format setting, operator touch screen control panels, envelope stream feeder, sealing station, upright stacking belt, stream delivery, C6-B5 format, 22.000 cycles per hour, minimum format 82 x 148mm, maximum format 356-225mm, continually adjustable, paper weight 70-120 GM/2, maximum thickness 8mm adjust packing fins 0-8mm