Mini bit holder / screwdriver
thingiverse
The ultimate multitool is a mini bit holder/screwdriver that's sure to revolutionize your DIY experience. A clever magnet keeps the bit firmly in place, eliminating worries about it falling out at the most inopportune moments. To make this magic happen, you'll need a high-quality round magnet with precise dimensions: 10 mm in diameter and just 2 mm thick.
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