The dawn of a new generation of spinning jets for technical yarns is upon us, powered by the innovative capabilities of Heberlein specialists. The new generation of jets brings not only an even and uniform interlacing density but also heavy, reliable knots for high tenacity yarn (HT and HMLS). More than 12 knots per meter e.g. 1100f98dtex and/or 1670f98dtex are now possible. Thanks to the new quality of the yarn, tensile strength, elongation, and elasticity show a smaller variation which leads to improved unwinding behaviour of bobbins.