Universal fitness trampoline spring compatible with trampolines ranging from 244 cm to 305 cm in size. These springs feature hooks on both ends for secure attachment to the trampoline frame and jumping mat. Installation is straightforward and requires no tools. Corrosion-resistant and safe: Constructed from hot-dip galvanized hardened steel, these springs are built to withstand repeated use and harsh weather conditions. The durable material ensures long-lasting performance and reliable shock absorption with every jump. Designed for high tension and heavy loads, these replacement springs offer excellent elasticity and resilience, delivering consistent rebound performance. Made in the European Union, ensuring high-quality manufacturing standards and product durability. Suitable for use with various fitness and children's trampolines. Technical specifications: Dimensions: 140x22mm. Fits indoor and outdoor trampolines from 244cm to 305cm. Color: silver. Pack of 4 springs.