This heavy-duty spring is an essential component for trampoline maintenance and fitness equipment. Its stainless steel construction offers excellent resistance to wear and corrosion, ensuring longevity. The dual hook design provides a secure fit, making it suitable for various applications where reliable tension and durability are required. Features - Color: Silver -Material:Stainless Steel - Size: 21.80X2.20X2.20cm/8.57X0.86X0.86in -High performance elasticity: this stainless steel trampoline spring delivers high performance elasticity, ensuring a stable and enjoyable workout experience -Multi functional use: designed with double hooks, this spring is versatile and can be used with different fitness equipment for a full body workout -Robust and durable: constructed from durable stainless steel, this spring longterm use and reliability -Portable design: the compact and lightweight design of this trampoline spring makes it easy to carry, allowing you to work out wherever you go -Adaptable to different environments: suitable for gyms, homes, offices, and outdoor settings, this spring adapts to various fitness environments, ensuring you stay fit Package list: 12pcs trampoline spring