This durable concealed door closer is good for maintaining the elegance and functionality of hotel rooms. Installed within the door frame, it remains hidden from view, ensuring that the door closes automatically and quietly. The spring mechanism provides a smooth operation, making it ideal for maintaining a peaceful atmosphere. This door closer is an excellent addition to any hotel room, enhancing both security and convenience. Features -Color:Silver -Material:Chromium -Size:14.30X5.30X2.60cm/5.62X2.08X1.02in -Convenient : automatically closes doors, eliminating the need for manual effort and enhancing convenience in any environment -Hidden mechanism: the concealed design keeps the door's appearance intact, making it ideal for modern and stylish interiors -Hotel application: designed for use in luxury hotels, providing a durable automatic closing solution that enhances guest satisfaction -Durable : features robust and durable springs, ensuring reliable and door closing action -Good for home doors: ideal for residential use, offering an automatic closing feature that maintains privacy and security within the home Package list: 4 pcs x 1pcs Invisible door closer spring