☂[Durable material] These trampoline springs are made of galvanized steel. High quality, anti-rust and tear resistant and having a long service life. ☂[Widely compatible] These trampoline replacement springs adopt a universal design and are fully compatible with most trampolines, recommended for trampolines with a frame-to-mat distance of approximately 12 cm or more. ☂[HIGH STRENGTH AND SAFETY] ] These trampoline replacement springs have a high resistance to wear and tear. They provide traction and feature slightly curved hooks on both sides to securely attach them to the trampoline. ☂[Useful replacement tools] These Heavy duty trampoline springs provide excellent protection and are ideal for replacing worn and damaged trampoline springs, set includes 10 pieces. ☂ 【Lots of fun】< /strong> Ensuring an exciting bouncing experience, the heavy-duty trampoline springs help to keep your body safe. transfer energy slowly and gradually and provide high rebound feedback for your trampoline.