StrechCordz for Dry-Land swim training
The original STRECH-CORDZ dryland training tubes from the USA:
StrechCordz Dry-Land swim training products are designed to improve stroke, endurance and strength. StrechCordz products provide the highest quality swim training tools on the market. Used by athletes such as the U.S. Olympic Swim Team and many high ranking collegiate and high school swim teams. StrechCordz Dry-Land products come in five resistance levels.
Working Range Resistance:- Level 1 SILVER: Beginner and children and rehabilitation: 1.3 - 3.6 kg of pull
- Level 2 YELLOW: Advanced beginner and children: 2.2 - 6.3 kg of pull
- Level 3 GREEN: Youth: 3.6 - 10.8 kg of pull
- Level 4 RED: Professionals: 5.4 - 14.1 kg of pull
- Level 5 BLUE: Elite athletes: 6.3 - 15.4 kg of pull