Description: 【Package Contents】: The package includes 4 steel poles, 4 sponge covers, 2 sets of screws, and 1 wrench for convenient installation and disassembly. 【Product Features】: This universal trampoline pole set is designed to provide stability and safe for your trampoline setup. 【Premium Material】: The poles are made of steel with a diameter of 2.5cm and a thickness of 1.2mm, ensuring a long term use and resistance to wear and tear. 【Protective Sponge Covering】: The Pole comes with a sponge cover for added safe, preventing injuries from accidental bumps or falls during playing. 【Easy Installation】: With the included screws, the installation process is straightforward and easy, allowing you to quickly get your trampoline normal operation. Specification: Material: Steel, Sponge Size Chart: Length: 52.5cm/20.67inch Diameter: 2.5cm/0.98inch Thickness: 1.2mm/0.05inch Package Includes: 4 Steel Poles, 4 Sponge Covers, 2 Set Screws, 1 Wrench Note: Please allow slightly errors 1-2cm differences due to manual measurement.