Features: Secure your doors with our Automatic Door Spring. Crafted from durable aluminum alloy, it gently closes doors to reduce disruptions.<br> Easily adjust the speed and tension of your doors with our versatile door spring. Enjoy a hassle frees installation process and customize the closing experience to your liking.<br> Designed for a variety of doors weighing up to 30kg, our door spring is perfect for homeowners and renters seeking a convenient solution. Experience quiet and controlled door closing in any setting.<br> From homes to offices and shops, our door spring seamlessly integrates into different environments. Create a peaceful atmosphere and improve safety with our reliable door accessory.<br> 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.<br> Specifications: Material: aluminum allloy<br> Package Includes: 1xDoor Closing System<br> note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid,<br> Due to the difference between different monitors, the picture may not reflect the actual color of the item.