90 Stay OpenWhen the door is opened beyond 90, This door closer keeps the door open. To meet your needs, you no longer need to use external force or additional door corner to hold the door open. In addition, the door closes automatically as soon as it is pulled less than 90. Range of applications commercial door closer with hold open position is suitable for all types of vehicles. applies to door weight between 65 kg, not for light doors, door width 110 cm, door opening range: 90 maximum. The door and the door frame should be on the same plane or within 5cm/1.97 (if the plane distance is more than 5cm, do not buy). Excellent QualityHydraulic door closer is made of commercial grade aluminum alloy, hydraulically operated, fully automatic closing from 0 to 90, adjustable speed, antioxidant, anti-corrosion, rust-proof, stable, weather-resistant. abrasion, weather resistant, hydraulic, silent and safe door closer, , gives you an easy and safe life, protects your door and lock. Silent closingHydraulic door closer improves your quality of life by closing your door automatically and silently. The door closer is equipped with 2 valves that independently control the closing and locking speed. You can control the closing speed as you like. Widely applicableThis adjustable door closer works with most types of doors, wooden and metal doors, residential and commercial doors, closer -exterior/interior door, fire doors, glass doors with frame and etc.