Trampolines features: This is a trampoline springs and hook set, made of high-grade galvanized steel wire material, strong load-bearing capacity, can be installed very easily, can perfectly support the trampoline, so that the trampoline does not allow collapse. Professional and practical trampoline accessories. Features-Color: As Shown-Material:Galvanized Steel Wire-Size: Approx.13.50X2.20X2.20cm /5.31X0.86X0.86in-The trampoline replacement spring is made of high-class zinc-coated wire material. Practical and durable for a long term use.-Strong load-bearing capacity, strong, wear-resistant, rust-proof, not easy to deform and break.-It can be used to replace your old or broken trampoline spring, which is practical and durable.-Although its design is simple, it is so practical when you use it.-Provides extra durability for the right amount of tension, finish for extra protection against harmful rust and corrosion.