Machinist Mill – Jaws Only fits Levin Watchmakers #1 Jaw Chuck. Six jaws, jaws are marked 74, 1-6. The item “Machinist Mill Jaws Only fits Levin Watchmakers #1 Jaw Chuck” is in sale since Thursday, October 4, 2018. This item is in the category “Jewelry & Watches\Watches, Parts & Accessories\Parts, Tools & Guides\Tools & Repair […]