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 an external force or an additional door wedge to hold the door open. In addition, the door closes automatically whenever it is pulled less than 90. Range of applicationsCommercial door closer with hold-open position s&#39; applies to door weight between 45-65kg (99lb-132lb), not for light doors, door width 70-110cm, door opening range: 90maximum. Door and door frame should be on the same plane or within 5cm/1.97 (if the plane distance is more than 5cm, please don't buy). Excellent QualityHydraulic door closer is made of commercial grade aluminum alloy, hydraulically operated, 0-90 fully automatic closing, adjustable speed, antioxidant, anti-corrosive, stainless, stable, heat resistant. abrasion, weatherproof, hydraulic, silent and safe door closer, tested by 500000 cycles, probability of oil leakage under 1/1000, give you easy and safe life, protect your door and lock. Quiet ClosingThe hydraulic door closer improves your quality of life by closing your door automatically and quietly. The door closer is equipped with 2 valves which 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, wood and metal doors, residential and commercial doors, door closer. -exterior/interior door, fire doors, glass doors with frame and etc. Specifications Color: Silver Loading capacity: 45- 65KG Applicable door width: 700X1100MM Maximum opening: 90 degrees Package Included: 1Hydraulic door closer< /p> getveryrich