Easily adjust the speed and tension of your doors with our versatile door spring Enjoy a hassle frees installation process and customize the closing to your liking From homes to offices and shops, our door spring seamlessly integrates into different environments Create a peaceful atmosphere and improve with our door accessory Secure your doors with our Automatic Door Spring Crafted from aluminum alloy, it gently closes doors to reduce disruptions Designed for a variety of doors weighing up to 30kg, our door spring is perfect for homeowners and renters seeking a solution quiet and controlled door closing in any setting Say goodbye to disruptive door slams and welcome a calm environment Our door spring ensures a smooth and controlled closing motion, making it ideal for bedrooms, kitchens, and public spaces, Manufacturer: NTCLHFXU