hex bit compact screwdriver
thingiverse
I designed this one to fit inside my fanny pack where I carry some tools for quick repairs in my job. Is designed for double sided bits ( like philips/flat one i normally use), and I added a groove to insert a thin metal sheet to avoid the bit dig inside the part when aplying force against. Is perfect for those tight places a regular screwdriver cant get in, but not too small you loose torque turning it, 120 degree slight recesses help with that, you just place your fat finger in one of the 3.
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