The set includes 12 thick and safe pole caps, which can meet your different practical needs. Perfect for connecting and fixing trampoline enclosure caps, can help regulate the safety net on the top of the poles. It is an important accessory when assembling the trampoline, it is more convenient and quick to install. Inner diameter: 2.5cm/0.98inch. The trampoline enclosure pole caps are suitable for most trampolines. Replacement trampoline enclosure pole caps are made of quality plastic material, durable and practical for long lasting use . Replacement pole caps for trampoline enclosure are made of quality plastic material, which is durable and practical for long lasting use. It is an important accessory when assembling the trampoline, it is more convenient and quick to install. Perfect for connecting and fixing trampoline enclosure plugs, can help regulate the safety net on the top of the poles. Inner diameter: 2.5 cm / 0.98 inch. The trampoline enclosure pole caps are suitable for most trampolines. The set includes 12 thick and safe pole caps, which can meet your different practical needs. Specification: Inner Diameter: 0.98inch Height: 8.5cm Width: 5cm Size Chart size:8.5cm/3.35inch Package Include:12pcs trampoline pole caps.