HIGH STRENGTH & DURABLE Heavy-duty electroplating steel wire springs, designed to bring elasticity to your trampoline.
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HEAVY DUTY BEST TRAMPOLINE SPRINGS Slightly bent spring is more durable than straight spring, with higher tensile strength and longer service life.
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DURABLE HOOK One end of the hook is bent at a certain angle to provide better grip without worrying about the spring falling off. The spring pitch is uniform, the force is symmetrical, and the elasticity is stable.
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