General description The 2 Pieces Automatic Door Closer is designed for both interior and exterior doors, providing a reliable solution for automatic door closing. Made from high-quality ABS plastic, this door closer is resistant to oxidation, corrosion, and rust, ensuring durability and a long service life. Its quiet operation and weather-resistant features make it suitable for various environments. Technical specifications Material: High-quality ABS plastic Tensile strength: 800G Wire rope length: 1.2m Installation Installation method: Punch-free with 3M adhesive Suitable surfaces: Marble, glass, and other smooth surfaces Recommended waiting time for maximum adhesion: 24 hours Usage Automatically closes most doors Improves efficiency by preventing repeated door opening Helps keep out flies and kitchen fumes Other information Ideal for homes, small offices, hotels, dorms, classrooms, and stores