J jrc2905 Member Messages 5 Sep 3, 2006 #1 On some of the self darkening helmets they say, not suitable for overhead use. What does that really mean? thanks.
On some of the self darkening helmets they say, not suitable for overhead use. What does that really mean? thanks.
migmag Member Messages 700 Sep 4, 2006 #2 no good for welding above your head. Maybe uv [power and not battery?