High Quality Galvanized Material The trampoline spring puller is made of high quality plastic, which is durable. The design of the finger grooves increases comfort. The surface is smooth and burr-free, shiny and easy to grip. The iron hook is made of high quality galvanized iron, strong and durable, not easy to rust. Easy to Use The trampoline spring hook is easy to use and use. You just need to hook the double hook spring on one corner of the trampoline, then hook the other end to the trampoline tensioner with T-hooks and attach the hook to another corner of the trampoline with a little effort. Easy to carry : the trampoline spring compressor weighs only 70 grams, lightweight and small, easy to carry. Very suitable for your outdoor travel, please use it when installing a trampoline. You can put it in an outdoor backpack without extra weight. At the same time, it is easy to store, you can put it in any corner or storage bag. SAFE AND STRONG High quality galvanized and plastic materials ensure that the hooks have better toughness and are not easy to break and bend. The force of the trampoline tool is even, so you can be sure that you use it to tension the spring. It is safe, firm and stable to use. Wide Compatibility The trampoline spring compressor hook is 5.3 inches long and 4.5 inches wide. It has many uses. It can be used as a spring installation tool for trampolines, nail pullers for tents or other places where tension springs are needed. Universal trampoline spring pulling tool that can handle all brands of full length springs.