Specification:Item Type: Watch Crown WinderMaterial: Alloy SteelColor: As Picture ShownWeight: Approx. 32.0g/1.1ozPurpose: Repair watch crownPackage List:1 x Watch Crown WinderNote:1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. If you have any questions or concerns after receiving the product, please feel free to contact us so we can help.4. If the product has quality problems, we will replace or compensate you for free as soon as possible.