NHN 324 GL Door Closers Online » Products Page » NHN 300 Door Closers » NHN 324 GL Non-handed Door Closer with Slide Arm. Technical Details... Power Size 2 - 4 (by position) Door closer with slide arm Door width 850 - 950mm 40 - 60kg Colour: Silver Suitable for OPEN-IN and OPEN-OUT Doors Price: $61.00 Updating cart...