Trampoline Spring Heavy Duty Replacement Kit With Hooks For Outdoor Easy Installation Rustproof Durable Spring Trampoline Accessories (silver) (10pcs) These reinforced trampoline springs not only replace worn out springs, but also enhance the entire trampoline experience.Galvanized springs have a new girdle design with a smooth forged surface and a burr-free finish forging processGalvanized steel trampoline springs have a galvanized layer to prevent corrosion and rusting caused by natural acids, moisture and oxidationThe galvanized trampoline spring is made of steel material, corrosion resistant, not afraid of bending, and has good elasticityWhen not on the trampoline, please measure the distance of the spring from the hook end to the hook when ordering for accurate measurementColor: SilverSize: 10cmProduct list: 10*spring