Made From High Grade Japanese Steel. Dimensions: 7/8″ width (22.2mm) x .018″ strength (0.45mm) x 70-3/4″ length.
Commercial Mainspring – Hole End – 7/8″ x .018″ x 70-3/4″
Made From High Grade Japanese Steel. Dimensions: 7/8″ width (22.2mm) x .018″ strength (0.45mm) x 70-3/4″ length.
$7.50