A. AESTHETICS: This door closer is a discreet and useful addition to your door. It 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. B. SAFETY: An automatic door closer can help keep you and your loved ones safe. This door spring can keep your front door closed automatically to prevent thieves from entering. It can be beneficial for peace of mind, especially when many people are entering and leaving your property. Dimensions: 140.5*25*2.5mm. C. Applications: This door closer is hands - free and can 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 for commercial purposes, these soft - close hinges can work well and smoothly. D. Note: The data are obtained through manual measurement. A 1 - 3cm error is acceptable. Due to differences in light and display, there may be a certain color difference. The actual product received shall prevail.