FEATURES OF THIS PLASTIC BAG CUTTING MACHINE: COLD-CUTTING DOUBLE DECKERS TO WORK IN FOUR LINES OR TWO LINES, DEPENDING ON BAG SIZE TO WORK IN SINLE LINE IF BAG WITH PRINTED COLOR SINGLE MARK TRACKING PHOTOCELL SINGLE STEP MOTORS TO PULL FILM MICROCOMPUER CONTROL IN-LINE AUTO. PUNCHER INCLUDED HIGH SPEED TO MAKE T-SHIRT BAG AND FLAT BAG. WHEN MAKING FLAT BAG, IN-LINE AUTO. PUNCHER IS NO USE SPECIFICATION: