This lot of 56 heavy-duty 5.5 inch galvanized steel trampoline springs is designed for home use and can be used both indoors and outdoors. Made of durable steel, these springs are ideal for gym and training activities, providing support and stability for trampolines. The set includes 56 springs, each measuring 5.5 inches in length, making it a reliable replacement part for trampolines. These springs are not signed or personalized and are a practical choice for maintaining the functionality of your trampoline. Some have a very minimal amount of rust.