A. Features: It is of a certain quality. B. Strong load - bearing capacity: This door closer can automatically close a door weighing up to approximately 60 kilograms. C. Safety: This door spring will automatically close the door, which may prevent thieves from entering and give a certain sense of security. D. Easy installation: It can be installed easily according to the steps. Its low - profile design won't spoil the beauty of the door after installation. E. Application scenarios: This automatic door - closing hinge is suitable for areas such as bedrooms, kitchens, living rooms, studies, etc. It can also be used commercially. F. Durability: This standard - used door closer is relatively durable and can withstand repeated opening and closing throughout the day. G. Package contents: 1 door closer. H. Specification parameters: - Material: Iron. - Color: Silver/Black. - Product size: As shown in the picture. - Door - closing speed: Approximately 10 seconds. - Designed load - bearing: About 50 - 80 kilograms. - Suitable door thickness: Above 35 mm/1.38 inches. I. Precautions: - Due to manual measurement, an error of 1 - 2 cm may occur. Please ensure you can accept it before placing an order. - Due to differences between different monitors, the pictures may not accurately reflect the actual color of the item.