Anchor or verge or escape for Hubert Herr clockwork. Pivot; thick 0.0455 and 0,072″ long. Arbor is 0.892″ long. The verge is located on 0.0478″ from the back end pivot. Used item. See picture for model clockwork and markings. Other Herr parts available ask!
2 versions available;
-escape arm 6 cm or 2 3/8″
-escape arm 8,5 cm or 3 3/8″ (sold out)