General description Holds door weights up to 40kg with a pair of door closers (up to 20kg per door closer). Suitable for various door types, this automatic door closer features mechanical speed control and is easy to install. Technical specifications Maximum door weight: 40 kg (20 kg per closer) Minimum door frame width: 3 cm Drop tolerance: not exceeding 3 mm Installation Must be fitted in the center of the door Includes all necessary fixings for installation Usage Adjustable tension to control the closing force of the door Use the included Allen key to adjust by turning clockwise or anti-clockwise