BEST QUALITY: High-Quality Hydraulic Door Closer is made of commercial-grade aluminum alloy, hydraulic operated, totally automatic closing, speed adjustable, gives you an easy and safe life, protects your door and lock. Note: This door closer doesnt support the hold-open function.and
ALL-PURPOSE ADJUSTABLE: Works with all types of medium doors -- right or left opened doors, wood and metal doors, residential and commercial doors, home or office use, and fire doors, exterior/interior door close