High quality: The door closer residential is filled with Mobil Industrial hydraulic fluid, oil leaking probability under 1/1000, Door Closer is made of commercial-grade aluminum alloy, totally automatic closing, speed adjustable, Manufactured from Cast Aluminum, Wrought Steel arm, Heat Treated Piston, Powder Coated Finished Body to enhance corrosion resistance

Application Scope：Door Closer Commercial with Hold Open applies to door weight between 35-80kg(77LB-175LB), not for light door, door width 60-120cm(23.6"-47.2"), Door open range: 180maximum. The door and door frame should be on the same plane or within 5 cm/1.97" (if the plane distance is over 5cm, please don't buy）

Usage： commercial door closers work with all types of medium doors -- right and left opened doors, wood and metal doors, residential and commercial doors, exterior/interior doors, fire doors and etc.
Fully Adjustable: With two independent valves, you can adjust both the sweep motion and the catch-closing mechanism of your door arm closer, so you can set the opening force and closing speed of your door

OUR WEBSITE IS http://www.velocitydiy.com
CONTACT NUMBER IS +6014-9891223