Feature:1. Ergonomic Handle: The watch is made with an ergonomic handle that is metallic, non slip, easy to grip and convenient to use. It helps improve effency.2. Practical Tools: Watch mainspring winder set is a must for watch maintenance personnel and watch workshops. Watch winder repair tools are perfect for watchmakers.3. Easy to Use: Watch mainspring winder, a handy tool for watch maintainers, jewelers or amateurs. High quality materials guarantee maximum durability.4. High End Material: Watch mainspring winder set made of brass for maximum durability. Durable and resistant to damage very practical.5. Easy to Carry: With storage box, easy to find different models, easy to save and carry, a whole set of take out to use is also very simple and fast.Specification:Item Type: Watch WinderMaterial: Brass.Storage Box Material: BambooApplicable movement: 2000, 2671, 2235, 8200, 8500-1, 8500-2, 3135/2824, C07111, 7750, 2892/2836Package List:1 x Watch Mainspring Winder1 x Fixed Base Ring 10 x Hand Crank 1 x Storage Box Note:Select the appropriate winder for the watch movement.