Adjustable Screw Driver
grabcad
This is a straightforward metal instrument comprising two distinct screwdriver blades. It's specifically designed to access central nuts on clock dial faces, suitable for wall and longcase clocks. The tool requires only four elements: a screw bolt, a winged nut, and two identical sheet metal components. I discovered this practical device in my toolbox and decided to share it due to its simplicity and effectiveness. Attached 3D data includes a STEP file of the assembly for PTC users, which also contains .asm and .prt files within a compressed folder.
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