Competitor 600100 EZ-Tensioner with Cover and Wrench - Designed with ease of use in mind, the EZ-Tensioner is the newest product available through Competitor Swim. Our EZ-Tensioner is exclusive to the Competitor Swim line. User-friendly and uncomplicated, the EZ-Tensioner represents a cutting-edge response to the challenges associated with conventional tensioners. Competitor racing lanes attach to the pool wall using a stainless-steel spring at one end and a stainless steel and bronze ratchet reel at the other for proper tension. The original take-up reel is designed to be tightened with a removable wrench.