17 x 0.40 x 40 Clock Mainspring
REPLACEMENT CLOCK MAINSPRING
TOP QUALITY GERMAN MADE SPRING
17mm high - 0.40mm thick spring (strength) - 40mm barrel diameter (1500L).
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.
http://stores.ebay.co.uk/hswalsh/ - Visit our UK eBay store here. Shipping is automatically combined in our eBay UK store when you add all items you require to your basket before the final payment stage.