Aluminium tent poles usually come with a choice of 2 kinds of locking devices - a twist lock or a collar lock. The COI Pole with Adjustable Collar 230cm has a collar lock mechanism.
The COI Pole with Adjustable Collar 230cm will provide excellent structural support for your tent, annexe or tarp.
The adjustable collar gives you the flexibility of using the pole in most camping situations.
It's a great product to replace lost or damaged poles, or if your existing poles are the wrong size.