Description: Product Name: Protective Cover is easy to install on the top of the trampoline pole, which not only enhances the beauty of the trampoline, but also protects the pole from weather damage and prevents bad from exposure of the top of the pole.Function: Trampoline Rod Caps are designed to secure trampoline net poles, ensuring children have a long term and more enjoyable jumping experience.Material: Trampoline Pole Caps are made of PP and metal material, which can withstand outdoor elements and provide long time use.Compatibility: Trampoline Post Caps are suitable for 3.8cm/1.50inch diameter poles, making them suitable for most standard trampolines. They are an important component of your trampoline setup.Easy to Install: The Net Pole Top Holder can be easily installed on the top of the trampoline poles, making it convenient for you to install or replace them when needed. Specification: Material:PP and Metal Size Chart: Length 8cm/3.15inchDiameter 3.8cm/1.50inch Package Includes: 8Trampoline Pole Caps Note: Please allow slightly errors due to manual measurement and different monitors.