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      Known by leading clinics, hospitals, universities and professional sport teams since 1985, NZ Manufacturing provides high quality and versatile resistive exercise tools for swim training, physical therapy, rehabilitation, sports training and general fitness.

      Since 1985, NZ Manufacturing has continued to improve and expand its extensive line of resistance exercise tools. We are extremely proud that our products are made in the USA from the highest quality materials:

      The StrechCordz® line of swim training products was designed by a group of competitive swimmers to improve stroke, endurance and strength. StrechCordz® Dryland and In-Water training products are known and used by swimmers world-wide, from age groupers, to high school and collegiate swimmers, to master swimmers and International Olympians. StrechCordz® are the #1 swim training products worldwide!



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