ES121 - Better, faster revision of the ""Open Source Screwdriver""!

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Predecessor:
Drill press model:
My last video about the ES120 was very well received, so the manufacturer sent me the new, upgraded version, too. e-Design is known for the coolest open source gadgets like the TS100 soldering iron, different oscilloscopes and now the wildly popular motor screwdrivers!
This upgraded version is called ES121 and it has a few more tricks up its sleeve than just a different gear ratio.
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