I’m not talking about a hex key that extends in length but one where it can collapse in on itself to increase in size.
I did some digging online but all I could find was a patent from a company called TeleHex but it kind of sounds like they came and went in the mid 2000s. They’re website doesn’t seem to exist.
I feel like it could save space in my pocket compared to a typical hex key set or a multibit.
I was hoping I could at least find a bootleg version on Ali Express.
Do you think the hollow core would make that much of a difference? The head of the key would still be solid and the depth required for each different size likely wouldn’t account to much. There would probably maybe half an inch at the opposite end from the head. If someone used a t like design, with the top bit being where the grip and hollow portion are, I imagine that would likely cut down a bit on torque exposed directly to the hollow section.
Imagine bearing against a stack of papers. It’s much more likely to deform than an equivalent size piece of wood.
Thinner parts make deformation and breaking more likely.
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