Do you have a machine shop in your area? I'm sure they won't mind a small bit of pipe going missing from the bin if you ask. If you don't find any pipe with a small enough ID then you could drill out the centre of some round bar.
@O'Shane started
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Do you have a machine shop in your area? I'm sure they won't mind a small bit of pipe going missing from the bin if you ask. If you don't find any pipe with a small enough ID then you could drill out the centre of some round bar.