This vintage watchmaker's tool is a Cannon Pinion Remover designed by M-C. It was made in the United States and has a patent number of 2271945. It is a useful tool for watchmakers and collectors. This item is listed in the Jewelry & Watches category under the Watches, Parts & Accessories section and specifically in the Parts, Tools & Guides subsection under Tools & Repair Kits. It is a pre-owned item but has been kept in great condition.