Bushwalking gear and paraphernalia. Electronic gadget topics (inc. GPS, PLB, chargers) belong in the 'Techno Babble' sub-forum.
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TIP: The online Bushwalk Inventory System can help bushwalkers with a variety of bushwalk planning tasks, including: Manage which items they take bushwalking so that they do not forget anything they might need, plan meals for their walks, and automatically compile food/fuel shopping lists (lists of consumables) required to make and cook the meals for each walk. It is particularly useful for planning for groups who share food or other items, but is also useful for individual walkers.
Is it the end pole (capped) or an intermediate section? wouldn't be hard to just trim it and add a section of 10mm tube with a piece of 10mm id sleeve, the usual fix. Some tents come with a sleeve (and or spare section). I'll have a look in our pole box, don't think any of our tents have used 10mm poles but there are a lot of odd sections.