Size 13mm x0.38mmx 1650mm x 44mm Dia
Trifix Range of Clock Mainsprings Trifix have a very large stock of carbon steel and can provide many spring sizes which can be rarely needed. If you have such a special request, please let us know via the website online support facility and if it is available, we shall include it in the list below.
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