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Chaiguy,

I have found the easiest material to use is the plastic pipes that come with aerosol cans. It cuts easily, and is self-lubricating.

You have to search about a bit to find ones with...

chaiguy,

I have had similar troubles with bent pins; they are a right sod to get out :(

I now sleeve all the pivot pins holes to stop this in the future :)

Best regards

Russ