Love your exercise trampoline but the springs are worn out Over time trampoline springs can be broken stretched out or sometimes even rusted and are in need of replacement Our Pure Fun Universal heavy Duty 3 inch replacement springs are the perfect choice to do so Made of rust resistant galvanized steel these springs are made to last Springs are 3 inches long by 1 inch wide Features . Universal Exercise Trampoline Spring Replacement Set. Made of heavy duty steel for durability and superior bounce action. Designed to replace your rusted worn out dangerous springs and return bounce to your old sagging mat. 20 Piece Specifications . Size 3 . Weight 1 lbs