Koval Inc. 7" Trampoline Spring Replacement Heavy-Duty GalvanizedFeatures: Quantity: 20 High Tensile and Durable Cold Weather Crack-Resistant Weather Resistant and Anti-Rust Total Dimensions: 7"L (Including Hooks) Material: Heavy-duty Galvanized Steel Wire Package Includes: 20 x 7"L Trampoline SpringFeatures of Koval Inc. 7" Trampoline Spring Repla..