• Hole End Commercial Clock Mainspring

Commercial Mainspring – Hole End – 43/64″ x .018″ x 70-3/4″

$6.50

Made From High Grade Japanese Steel. Dimensions: 43/64″ width (17.5mm) x .018″ strength (0.46mm) x 70-3/4″ length.

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Made From High Grade Japanese Steel. Dimensions: 43/64″ width (17.5mm) x .018″ strength (0.46mm) x 70-3/4″ length.

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