Material: the trampoline screws are made of high-quality galvanised steel materials with high hardness and corrosion resistance, sturdy and durable. Can be used for a long time. Good performance: these trampoline enclosures spacers go between the flex trampoline poles, making the connection of poles more stable and secure, ensuring safety and stability. Application: the trampoline replacement parts are precise and cannot be easily deformed when drilling. It is a perfect trampoline accessory, suitable for most trampolines such as garden trampolines, children's trampolines etc. Easy to install: the screws for trampoline accessories are easy to install, you just need to install the black spacer and round washer, finally tighten the screws to attach the trampoline replacement screws. Value for money: you will receive 12 trampoline accessories replacement parts that give the trampoline more stability and can be used with confidence.