Description Safe Shopping - We give you 2 years warranty. If our ball tensioner has the quality problem, we will offer you the new tarpaulin tensioner or rewind until you are satisfied. We are the only seller who dares to offer you 2 years warranty because we are confident in the quality of our elastic tensioner. Please note that the seller is winsports before purchasing. We do not offer after-sales service for customers who buy it from other vendors.High Quality Ball Tensioner Our ball tensioner is made of high quality Nylon, rubber and plastic ball. It is durable and resistance to friction. It has great tension to firmly fix the tarp. Its service life is over 2 years.The size of ball turnbuckle cable length is 20 cm / 7.9 inch. The extreme expansion length is almost 39cm / 15.4 inch. The cable diameter is 0.5cm, and the ball diameter is 2.9cm / 1.1 inch, which are longer than that of other sellers to fix the tarp more firmly.The way of use It This ball tensioner is easier to use than the others, just pull the rubber cable through the hole and place it on the ball. This cable has the best elasticity. Dont worry about your thing being so big that the cable will break.Multifunction Our ball tensioner contains 40 pieces. The other sellers only give you 25 coins. Tarpaulin tensioner suitable for tents, tarpaulins, posters, stretchers, expansion rings, tarp holders, rubber tarpaulins, rubber tensioners, tents, rubber, curtains, etc. It is a good equipment for camping or storage.