About This

• 【Enhanced Bounce with Unique Spring Design】 YONSIN trampoline spring features a unique shape—narrower at the top and bottom, wider in the middle—for superior elasticity and stretching ability. This design ensures powerful rebound, better shock absorption, and even stress distribution to prevent breakage and extend the spring’s lifespan. A safer, smoother jumping experience starts here
• 【Heavy-Duty Steel & Rust-Resistant Finish】 Built from premium, high-tensile steel, these springs are weld-free, strong, and built to last. The colored oxide coating adds waterproof, rust-proof protection, making them the ideal trampoline accessories to boost performance and extend the life of your trampoline
• 【Secure Hook System】 Designed with a swivel hook on one end and a straight hook on the other, YONSIN trampoline springs offer greater safety and flexibility. The auto-alignment swivel hook adjusts to your movements, preventing unhooking during jumps, while the straight hook provides a firm grip on the trampoline mat
• 【Multiple Sizes & Packs to Fit Your Needs】 Available in 8 sizes (3.5", 5", 5.5", 6", 6.5", 7", 7.5", 8.5") and 4 pack options (12pcs, 24pcs, 36pcs, 48pcs), these trampoline springs are compatible with a wide range of trampolines. Whether for kids or adults, you can mix and match sizes for optimal bounce and perfect weight suppor
• 【Quick & Easy Installation with Included T-Hook Tool】 Each set includes a T-hook tool for fast and effortless installation or replacement. Whether you're upgrading your trampoline or restoring bounce, YONSIN trampoline springs are the ideal replacement accessories for old or damaged trampoline parts. Be sure to measure your existing spring length before purchase for the best fit