【High Tensile and Durable】The springs themselves are made of high-quality galvanized steel, anti-rust, unbreakable, crack-resistant, excellent resilience and durability. Dimension: 5.5 inch (Total length including hooks), 3mm (Wire Diameter) Suitable for trampolines from 8ft-14ft. (𝗠𝗲𝗮𝘀𝘂𝗿𝗲 𝘆𝗼𝘂𝗿 𝗼𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝘂𝗻𝘀𝘁𝗿𝗲𝘁𝗰𝗵𝗲𝗱 𝘀𝗽𝗿𝗶𝗻𝗴𝘀 𝗳𝗿𝗼𝗺 𝗵𝗼𝗼𝗸 𝗲𝗻𝗱 𝘁𝗼 𝗵𝗼𝗼𝗸 𝗲𝗻𝗱 𝗯𝗲𝗳𝗼𝗿𝗲 𝗽𝘂𝗿𝗰𝗵𝗮𝘀𝗲.)
【Increased Hook Curvature for Maximum Hold】 One end of the hook is curved at an angle that provides the superior hold. So, they are extremely safe. You can jump and bounce without the fear of the springs coming off.
【Good Elasticity & Strong Stretch Ability】 It is designed with a waist drum for bringing great bounce to your trampoline(wider diameter for more bounce), has better elasticity and stretching ability than those shaped straight, which will give you a better jumping experience.
【Unique T-hook Spring Pull Tool】Unlike other cheap plastic trampoline spring pullers, our spring pulling tool is made completely of Stainless Steel and is in one piece, much more sturdy and comfortable to use, won’t hurt your hand, makes assembling a trampoline much easier.