• 30-Hour Mainspring – Loop End-1

30-Hour Loop End Mainspring – 5/16″ x .015 x 42″

Loop end mainspring for 30 Hour clocks. Size: 5/16″ (7.94mm) Width x .015″ (.381mm) Strength x 42″ (1066mm) Length.

Quantity Price
1 - 5 $4.00
6+ $3.50
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$4.00

SKU: MSC-516

Loop end mainspring for 30 Hour clocks. Size: 5/16″ (7.94mm) Width x .015″ (.381mm) Strength x 42″ (1066mm) Length.

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