Hermle Steele #7/4.00mm Clock Key

This is a German made unused Hermle Trademark clock key This key is for mantle or wall clocks that have Hermle series 141,150, 151, 340, 341, 350, 351, 1050, 1051 movements in them.

This key 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.

Check out our key size chart.