[Premium Material] The lane tightener is of 304 stainless steel and material, which is scratch , and durable.,[S Hook Design] Stainless steel S hook of the tightener and stainless steel tightening shaft, the tightness of the pool lane is controlled the tightening shaft.,[Easy To Use] Prional lane tightener, the rope of the pool lane can be fixed on the tightening shaft directly from the back hole, and the tightening can be adjusted.,[Tensile] Swimming pool lane rope tensioner has high tensile strength, is not easy to be damaged, has buoyancy, is and has a long service life.,[Multi Application] Lane tensioner is widely in bs, indoor and outdoor swimming pools, etc, small, lightweight, easy to carry and use when going out.1 x Lane Tensioner