(incl. DUOTONE Pin Short) With this innovative heavy-duty tendon we have set the bar high in terms of reliability, performance and safety. Instead of the usual PU material of the connecting tendon, a BASF high-tech material is used for the first time, which is about 50% tougher and more durable. The new DYNEEMA SAFETY SYSTEM guarantees maximum safety Ð a high-quality Dyneema kite line integrated in the BASF tendon that offers maximum safety. Extremely light, extremely tear-resistant and, if the worst comes to the worst, completely non-stretch.