Organising Propellers

I was grouping Mini Quad propellers in zip lock plastic bags, but I’m now trying this idea.

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Using some wing nuts and bolts lying around in the drawers, it keeps the same types of propellers grouped together.
 
You can instantly see how many of a particular colour/type you have :

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Keeps them neatly organised in the multi-rotor field tool box as well:

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🙂