Scope of application: home, watchmaker. For Clock Key Winder Mainspring. 22x16x3cm/8.66×6.30×1.18inch. 1Set Watch Mainspring Winder. Please verify your address during checkout. We are not responsible for any wrong or undeliverable addresses. People always bought together with. This item is in the category “Jewelry & Watches\Watches, Parts & Accessories\Parts, Tools & Guides\Tools & Repair Kits”. The…