ReaseJoy 20pcs 5.3" Inch Galvanized Steel Trampoline Springs Galvanized Replacement Set 20pcs heavy duty galvanized steel trampoline springs, designed for bringing great bounce to your trampoline Overall Dimension (LxWxH): 5 1/2" x 7/8" x 7/8" (14 x 2.2 x 2.2 cm); Wire Dia.: 1/8" (3 mm) Slightly curved shape, more durable and higher tensile strength than those shaped straight; Hooks for firm hold, no fear about springs coming off when jumping Cold weather crack-resistant, weather resistant and anti-rust Perfect replacement to rusted, worn out and dangerous springs of trampoline; Used with T-hook (Not Included) for easy installation