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The Variable Wrench Set eliminates the need for a different wrench for every different kind of bolt. The one wrench can become any different size by sliding the correct adapter in to the head. The adapters you aren't using store away easily in the handle of the wrench. It's extremely adaptable, compact, light, and easy to manufacture. The adapters allow the wrench measure to be metric, imperial, or any needed custom size. The set is designed for use inside the ISS or any spacecraft. The tolerances are such that the pieces fit snugly and won't float away but are easily removed. On a trip to Mars, you don't want to bring a different wrench for every bolt. However, you could print this wrench and produce adapters as there was need for them.
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