[Easy Installation]Simple installation for and metal doors up to 100cm wide, fitting various door styles with no hassle. [Quiet Operation]Operates quietly, significantly reducing noise while opening and closing, for maintaining peace in homes and offices. [Durable Construction]Made from aluminum alloy, designed to withstand and wear, ensuring a performance over time. [Safety Features]Includes a slow closing mechanism that minimizes damage, helping to secure doors and them from being left open. [Versatile Application]Compatible with door weights from 20-40KG, ideal for both residential and commercial use, ensuring flexibility for different environments., Manufacturer: ANGGREK