i wouldnt have a clue my friend sent it 2 me via email...but my guess would b that it took place between the hrs of 9am-5pm so no more than 8hrs....lol
Dont grind without goggles (i know i said it before but I just spent 2.5 hours up at the hospital getting a spark out of my eye again and I was wearing goggles)
Its hard to use a computer with a patch on your eye