O Ring Watch Gasket, 27 Pcs 0.7/0.8 mm Waterproof Rubber Seal Washers Watch Sealing Ring Watch Repair Tools for Watches Back Cover

Package ContentThis includes 27
O- gaskets: 16 0.7 mm (diameter 25-40mm) and 0.8 mm (diameter 28-38mm), a sufficient quantity to meet your daily use and needs Quality MaterialThese gaskets are made of high-quality material, which is flexible, wear-resistant and durable. They have excellent durability and practicality and are suitable for daily use Easy to InstallThe gasket kit is flexible, easy to install and remove, and has strong oil, water, and tear resistance to a firm and long-lasting seal Waterproof and ProtectiveThese o rings are replacements for back cover seals. Install the gasket between the and the back cover to protect the internal of the from damage by dust and water ToolIdeal for watchmakers and professionals in the industry, this gasket comes in a sufficient quantity can use these gaskets for long-term use and projects