NHN 324 PA-1 Door Closers Online » Products Page » NHN 300 Door Closers » NHN 324 PA-1 Non-handed Door Closer with Parallel Arm. Technical Details... Non-handed Door Closer Power Size 2 - 4 (by position) 40 - 60kg With parallel arm for OPEN-OUT Door Price: $49.00 Updating cart...