16PCS 5.5 Inch Heavy Duty Trampoline Replacement Springs with T Hook Pull Tool Trampoline Accessories Hand Pull Tool                Please note it: It is better for you to measure the length of your springs from hook end to hook end,which is disconnected from your trampoline and completely unstretched     Material: Made of high quality Metal material,durable and sturdy,unbreakable excellent resilience and durability     Size: These steel trampoline springs measure about 5.5 inch/14 cm in length,and 3mm in the diameter of steel wire,28 coils in total     Curved hook: One end of the hook is curved at an angle that provides the excellent hold,which is safe for you to jump and bounce without fear about springs coming off     T-hook: We extra provide you with a strong T-hook in order to help you easily and quickly replace your rusted and dangerous springs to return bounce to make your trampoline come alive again          Colour:silver     Material:Metal          Package Contents:     16 * Trampoline spring     1 * Trampoline T Hook          Only the above package content, other products are not included.     Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.