Automatic door hinge, automatic door closer, hidden inner door closing deviceFeatures: Strong load bearing: This door closer automatically closes doors weighing up to 60kg. Security: This door spring will automatically close your door to keep thieves out. This automatic door closer helps give you peace of mind. Easy to install: Follow the steps to install easily, and the low-profile design makes it not break the beauty of the door after installation. Application: The automatic door closing hinge is suitable for bedrooms, kitchens, living rooms, study rooms, etc. It is also suitable for commercial use. DURABLE: This standard-use door closer is highly durable and can withstand repeated opening and closing throughout the day. Package Includes: 1x Door Closer Specifications: Material: Iron Color: Silver/Black Product Size: As Shown in the Picture Door Closing Speed: 10s Design Load Bearing: 50-80kg Applicable Door Thickness: Above 35mm/1.38' note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.