Tarpaulin Tensioner: Ball tensioner contains 30 pieces. The cable length is 200 mm/7.9 inches. The extreme expansion length is almost 400 mm/15.7 inches. The cable length is 150 mm/5.9 inches. The extreme expansion length is almost 300 mm/11.8 inches. Easy to use black elastic tensioner: This ball tensioner is easier to use 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 too big for the cable to break. High-quality ball tensioner: These reliable rubber harnesses provide a secure hold for your tarpaulins and banners. High-quality rubber and plastic ball. It is durable and friction-resistant. It has a large tension to firmly fix the tarpaulin. Its service life is more than 2 years. Wide range of applications: Tarpaulin tensioner is suitable for tents, tarpaulins, posters, tensioners, expansion rings, tarpaulin supports, rubber tarps, rubber tensioners, tents, rubber, curtains, etc. It is a good equipment for camping or storage. Whether you are a professional worker Tarpaulin tensioner is suitable for tents, tarpaulins, posters, tensioners, expansion rings, tarpaulin supports, rubber tarps, rubber tensioners, tents, rubber, curtains, etc. It is a good equipment for camping or storage. Whether you are a professional worker. Very easy to use tensioner, It is durable and friction resistance. It has a large tension to firmly fix the tarpaulin. Its service life is more than 2 years. Highlights Stable: elastic harnesses securely hold tarpaulins and banners. Durable: thanks to robust materials. Practical: quick and easy application. You will get: 15 pieces X 200 mm / 7.9 inches rubber tensioner 15 pieces X150 mm / 5.9 inches rubber tensioner