7 x 0.35 x 1000 Clock Mainspring
REPLACEMENT CLOCK MAINSPRING (Generally used in 30hr Alarm Clocks).
Trifix Brand
7mm high - 0.35mm thick spring (strength) - 1000mm (length).
Made from quality steel & used by professional clockmakers.
Many professional clockmakers replace a clocks mainspring not only when it breaks but as part of a complete service.
A mainspring winder is advised as removal and fitting without one can cause damage or injury.
100's of other sizes stocked.
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