Streamlined brand, the original and best.  Invented, designed, engineered, tested, evolved, tested, proven, proven and proven for the last twenty years. Made in USA.  Yes, two decades of fun, radical, extreme windsurfing and of course getting you back in. Any wind, any water, our innovative urethane tendon is simply the best. Streamlined's own proprietary formula is easily identified by our trade mark salmon color and our printed logo assuring you are a part of our heritage. Our tendon has earned the reputation of the most dependable in the industry. 2cm diameter x 5 cm long, 5mm fixing holes, holes drilled offset, don't settle for imitations, this is the only tendon joint to buy!