mainspring

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  • Hole End Clock Mainspring Hole End Clock Mainspring
    Instructions The width is measured first and matched up to the width below, then the thickness is measured with a micrometer, then the approximate length. Choose the item number of that mainspring from the order lis ...
    HEMSP: $9.89$39.89
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  • Loop End Clock Mainspring Loop End Clock Mainspring
    With the mainspring out of the movement, you will need a micrometer and a tape measure. First thing measured is the width, and match it up with the proper section of the chart. After matching the width, see what is the c ...
    LESPRING: $14.89$49.89
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