Rare Antique Winding Key for Wall Clocks / Pillar Clocks - Screw Winding / Spring Winding

Thank you for looking.
As a watch repair technician, I am selling a vintage Mainspring Winder as I organize my tools.

[Product Features]
Purpose: This is a specialized tool primarily used to safely and accurately insert the mainsprings of large wall clocks and mantel clocks into their barrels.
Set Contents: A total of 4 pieces, including 3 winder shafts with handles and 1 dedicated crank handle.
Size: The insertion hole for the handle (square hole) is approximately 4mm (please check the photos for details).
Material: A combination of robust steel and comfortable wooden handles.

[Condition]
As this is an old tool from its era, there is overall rust, dirt, and signs of use due to age.
However, the wooden handles do not have any major cracks, and it can still be used practically. Please understand this as the unique character of vintage tools.
This is a great opportunity for those who overhaul or repair mechanical watches, or for collectors of rare antique tools.
*This is a used item and sold as-is. Please check the condition carefully in the photos before purchasing.

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