1、14PCS IN 1 SET: Including 14pcs watch mainspring winders, has strong practicability. 2、ALUMINUM ALLOY: Made of aluminum alloy material, with light weight and high hardness, corrosion resistance and wear resistance, has a long service life. 3、EASY OPERATION: With ergonomic design, these watch mainspring winder handles are non slip and easy to grip, which are easy and effortless in operation. 4、WITH BASE: With a metal base to hold and organize these watch winder tools well, preventing loss and making it easy to choose the appropriate size. 5、FOR WATCH REPAIR: This watch mainspring winder is an essential tool for watch manufacturer and workshop, for use at home or in mechanical repair shop. 14 x Watch Mainspring Winder1 x Base  Item Type: Watch Mainspring WinderMaterial: Aluminum AlloyColor: Red, Gold, GrayMainspring Specifications: C07111Usage: For watch repair