Made From High Grade Japanese Steel. Dimensions: 3/4″ width (19mm) x .018″ strength (0.46mm) x 70-3/4″ length.
Commercial Mainspring – Hole End – 3/4″ x .018″ x 70-3/4″
Made From High Grade Japanese Steel. Dimensions: 3/4″ width (19mm) x .018″ strength (0.46mm) x 70-3/4″ length.
$6.50