ST3 is the next generation of the Swim Tether Original ST001. Introducing the ALL-NEW Swim Tether 3. Larger diameter poles and better fit and finish at the connection points make this the most robust tether system we've ever developed. As with it's predecessor, The Original, the ST3 is designed to provide a unique resistance workout for swimmers of all skill levels. Quickly install and assemble to swim in most swim spas and swimming pools. A minimum of 14 feet of swim space is recommended. Using optimal lift and an elevated connection point allows the swimmer to be unencumbered by cords or restrictive ankle attachments. Belt size is adjustable from 24" to 60". Overall height 69-3/8" Height installed in plate 66-3/4" Features: Low impact, high resistance. Portable and packable. High quality construction. Comfortable and adjustable. Easy installation. Great for all ages and skills. 3-section high-strength FlexRod pole Adjustable neoprene and nylon ComfortFit belt Choose a dynamic stretch UV and chemical resistant cord Choose an install plate style Aluminum carabiner Nylon carry bag Installation info can be found here Installation Guide Recommendation on Cord Length: Various factors help determine the correct cord length. Pool features such as ledges and steps in addition to the swimmer's height/reach determine the swimming area. 4.5 ft cord for most swim spas 6 ft cord for use in swim spas and pools in the 12-14ft range 8 ft cord for pools greater than 14ft WARNING This is not a lifesaving device. Do not leave children unattended while this device is in use. Legal Disclaimer Always consult your physician before beginning any exercise program. Not intended to be used as a lifesaving device. Children under 12 years old need adult supervision. Rinse in fresh water after each use. DO NOT LEAVE in direct sunlight or exposed to chemicals when not in use.