1. The set includes 12 thick and safe pole caps, which can meet your different practical needs. 2. Suitable for connecting and fixing trampoline enclosure caps, can help regulate the safety net on the top of the poles. 3. It is an important accessory when assembling the trampoline, it is convenient and quick to install. 4. Inner Diameter: 2.5 cm/0.98 inch. The trampoline enclosure pole caps are suitable for most trampolines. 5. The replacement trampoline enclosure pole caps are made of plastic material, durable and practical for long-lasting use. 6. The replacement trampoline enclosure pole caps are made of plastic material, durable and practical for long-lasting use. 7. It is an important accessory when assembling the trampoline, it is convenient and quick to install. 8. Suitable for connecting and fixing trampoline enclosure caps, can help regulate the safety net on the top of the poles. 9. Inner Diameter: 2.5 cm/0.98 inch. The trampoline enclosure pole caps are suitable for most trampolines. 10. The set includes 12 thick and safe pole caps, which can meet your different practical needs. 11. Specification: 12. Inner Diameter: 0.98 inches 13. Height: 8.5 cm 14. Width: 5 cm 15. Size Chart: 8.5 cm/3.35 inches 16. Package Includes: 12 trampoline pole caps.