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This is a German made unused Hermle Trademark clock key
The #7/4.00mm key is for mantle or wall clocks that have hermle series 141,150, 151, 340, 341, 350, 351, 1050, 1051 movements in them
The #3/3.00mm key will fit all Hermle series movements #130, 131, 132.
This two pack is perfect if you have a Hermle movement but are not sure which size is right for you.
These keys will fit your Hermle, Hamilton, Sligh, Ridgeway, Howard Miller wall clocks and mantle clocks! This key also fits some Seth Thomas clocks from the late 1960's on.
2 Key Set of Hermle Hamilton Ridgeway Howard Miller Seth Thomas Clock Winding Key #7/4.00mm and #3/3.00mm - B00I48E1TG