Features 1. Application: Boat winch drain plugs are designed for quick and accurate removal and installation of chain pins, providing a durable water seal for boats. 2. Easy Installation: Stainless steel boat plugs feature a square top for use with a wrench or socket wrench and can be easily removed. 3. Seawater Resistant: Boat drain plug is resistant to salt water environments and UV exposure, making it a durable marine accessory. 4. Exquisite Workmanship: Drain plugs have a heavy-duty construction with a mirror finish, enhancing the appearance of your boat. 5. Dimensions: Hole center distance 33mm (1.3 in), outer diameter 50mm (2 in), inner diameter 25mm (1 in). Precision threads ensure a watertight fit. Specification Item Type: Drain Plug Material: Stainless Steel Diameter: Approx. 50mm (2 in) Package List 1 x Drain Plug