With the compact sewing unit 743-121 (double-chainstitch) you will produce darts and waist pleats of an up to now unrivalled quality. For changing between the operations "sewing darts" and "sewing waist pleats" nothing is required but a change of templates lasting a few seconds. The sewing unit processes all fabrics with a constantly high quality. The very short cycle times in combination with the fully overlapped working method enable an extremely high output. Performance: 743-121 approximately 7500 seams in 480 minutes