Feature: 1. Ergonomic Handle: The watch is made with an ergonomic handle, 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 for watchmakers. 3. Easy to Use: Watch mainspring winder, a handy tool for watch maintainers, jewelers or amateurs. High quality materials maximum durability. 4. High End Material: Watch mainspring winder set made of brass for maximum durability. and 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 Winder Applicable movement: for 2000, 2671, 2235, 8200, 8500-1, 8500-2, 3135/2824, C07111, 7750, 2892/2836 Note: Select the appropriate winder for the watch movement. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Material: brass colour: As Shown Package Contents: 2 x Watch Mainspring Winder 2 x Fixed Base Ring 20 x Hand Crank 2 x Storage Box(randomly Box. Cannot be chosen the specific Box.) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.