For over 30 years, NZ Manufacturing has provided the highest quality resistance exercise products in the industry. For sports rehabilitation, choose among the extensive line of MediCordz® rehabilitation products. For sports training and general fitness, select a TurfCordz® strength training and agility product that is best suitable for the sport of choice. Also in our product offering is a wide array of swim training products from our StrechCordz® products line. We are proud to say, all of our products are made in the USA!