Unbreakable Mainspring MS-357T
Unbreakable Mainspring MSS-357T Dennison/US Standard Size (inches): 3-1/2 x 8 x 15-1/2 for ExPark 40. End Type: Spec End
$18.95
in stock
SKU MS-357T
White alloy unbreakable mainspring for watches, with special end.
This item is typically IN STOCK and ready to ship.
Most orders are shipped from our facility within 24 hours, Monday through Friday.
See Shipping Info link at bottom of page for more details.
