<p>Tarpaulin tensioner: ball tensioner contains 30 pieces, the cable length is 200 mm/7.9 inch. The extreme expansion length is almost 400 mm/15.7 inch. The cable length is 150mm/5.9inch. The extreme expansion length is almost 300 mm/11.8 inch.Easy to use black elastic tensioner: It is easier to use this ball tensioner than others, Just pull the rubber cable through the hole and place it on the ball. This cable has the best strong elasticity. Don't worry about your thing being so big that the cable breaks.The High Quality Ball Tensioner: These reliable rubber harnesses provide a secure hold to your tarps and banners. high quality rubber and plastic ball. It is durable and friction resistance. It has great tension to firmly fix the tarpaulin.Wide range of applicationsTarp tensioner is suitable for tents, tarpaulins, posters, tensioners, expansion rings, tarpaulin brackets, rubber tarpaulins , rubber bungees, tents, rubber, curtains, etc.</p>