Specifications:- Overall Dimension(LxDia.): 7" x 7/8" (17.7 x 2.3 cm)- Each Hook Length: 1 1/16", 1 1/8" (2.7, 2.9 cm)- Each Spring Diameter: 7/8", 3/4" (2.3, 1.94 cm)- Each Wire Diameter: 1/8" (3.2 mm)- Each Coil Numbers: 39- Material: Galvanized Steel- Weight Capacity: 200 Lbs (100 kg)- Total Net Weight: 17.64 Lbs (8 kg). Package Contents:- 60x Trampoline Springs- 3x T-Hooks