AESTHETICS: This door closer is a discreet and useful addition to your door. This simple door closer allows the automatic closing of interior doors up to 50 kg. The main body of the soft door closer is hidden inside the door leaf and door frame. SAFETY: An automatic door closer could help keep you and your loved ones safe. This door spring will keep your front door closed automatically to prevent thieves from entering. This automatic door closer could be beneficial for peace of mind, especially if many people are entering and leaving your property.140.5*25*2.5mm Applications: This door closer is hand-free and can therefore be used on left and right doors. Soft closing door hinges have a wide range of applications. Whether used to keep your living room door closed to maintain heat or used for commercial purposes, these soft-close hinges will work well and smoothly. Note: The data are manual measurement, please allow a 1-3cm error, due to the differences between the light and the display, there will be a certain color difference, the specific received in kind prevail. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 400 hours Hope you have a pleasant shopping experience!