Wow that looks exactly like what I have!No need to explain! I’m pretty sure they are Control Tech Control Stix:
https://www.ebay.co.uk/itm/20403018...6&customid=LYUB8F0WAAAA45nR3k79JsViTaQvAAAAAA
I had a monster long L bend pair and when using the full extension I must have got over an inch of travel from my Flexstem!
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