arcgis desktop - How to create several header files to open AVHRR NDVI3g (GIMMS) files?

I have downloaded GIMMS NDVI3g data from http://ecocast.arc.nasa.gov/data/pub/gimms/3g/

I now need to open the files in arcgis. I have the follwing GRID PARAMETERS:

grid-name: Geographic Lat/Lon
    pixel-size: 1/12=0.0833 degrees

size-x: 4320
    size-y: 2160

upper-left-lat: 90.0-1/24
    upper-left-lon: -180.0+1/24
    lower-right-lat: -90.0+1/24
    lower-right-lon: 180.0-1/24

I want to ask if someone has worked with these files yet since the release is recent and how you opened the files? And if a header file is needed how do I create multiple header files in one step? (there are 700 files covering 3 decades)...

Best regards, Johan