This versatile stainless steel spring is designed for various fitness equipment, including trampolines. Its dual hook design ensures a secure and stable connection, providing reliable tension and durability. The spring's robust construction makes it ideal for heavy-duty use, ensuring performance in various applications. Features - Color: Silver -Material:Stainless Steel - Size: 21.80X2.20X2.20cm/8.57X0.86X0.86in -High elasticity: the trampoline spring is made of stainless steel, providing excellent elasticity and stable support for a fun and enjoyable workout experience -Versatile use: featuring a multifunctional double hook design, this spring can be used with various fitness equipment for resistance training, catering to different fitness needs -Durable and reliable: constructed from stainless steel, this spring ensures durability, allowing you to use it with confidence over time -Compact and portable: the small and portable design of this trampoline spring makes it easy to carry, enabling you to exercise anytime and anywhere, whether at home, in the office, or outdoors -Suitable for various scenarios: ideal for use in gyms, homes, offices, or outdoor settings, this spring meets diverse fitness requirements, helping you maintain a healthy lifestyle Package list: 12pcs trampoline spring