Upgrade Your Trampoline: Enhance your trampoline setup with these T-shaped pipe sleeves, designed for easy connection to the top of your trampoline frame, ensuring a secure and stable fit Versatile Fit: With interface diameters of 16mm and 21mm, these parts provide a snug installation that prevents loosening or detachment during use Material: Made from quality PP, these trampoline enclosure pole end caps are built to withstand regular use while maintaining their integrity over time Great for Enthusiasts: Essential for any trampoline enthusiast looking to maintain a safe and reliable jumping experience without hassle Convenient Packaging: Each pack includes three trampoline enclosure pole end caps, providing ample parts for quick replacements or upgrades as needed Specification: Material: PP Size: 8.8cm x 7.6cm / 3.46 inch x 2.99 inch Package Includes: 3 Trampoline Enclosure Pole End Caps Note: Please allow slight measurement errors of 1-2cm / 0.39-0.79 inch due to manual measurement