| | |  | Hand Held Magnifiers | Home » » » Grandfather Clock Key Winder Mainspring Crank Size 12 | | | | | | | Description: | | New Clock Crank Key Size 12. This is a new grandfather clock crank key size 12. The hole measures 5.25mm. | | | | Customer Reviews: | | Write an online review and share your thoughts with other customers.
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