Item Type: Lane Line Tensioner Material: 304 Stainless Steel, ABS Product Tightening Size: Approx. 32.5cm/12.8in, Diameter: Approx. 5cm/1.9in Weight: Approx. 600g/21.1oz Application: Swimming Lane Line Tensioner 1[Premium Material] The lane line tightener is made of 304 stainless steel and ABS material, which is scratch resistant, corrosion resistant and durable. 2[S Hook Design] Stainless steel S hook of the tightener and stainless steel tightening shaft, the tightness of the pool lane line is controlled by the tightening shaft. 3[Easy To Use] Professional lane line tightener, the rope of the pool lane line can be fixed on the tightening shaft directly from the back hole, and the tightening can be adjusted. 4[Tensile] Swimming pool lane rope tensioner has high tensile strength, is not easy to be damaged, has strong buoyancy, is wear resistant and has a long service life. 5[Multi Application] Lane line tensioner is widely used in beaches, indoor and outdoor swimming pools, etc, small size, lightweight, easy to carry and use when going out.1 xLane Line TensionerManual measurement, please allow some errors.