Jock, 6.4mm is 1/4", 5mm is .2" Not metric talk, just NASA talk....wait, they (messed) up the mars rover didnt they?

Either way, windshields are laminated to keep the rocks from hitting you in the head, the rest is tempered like Jock stated to pull ones back side from a wreck.

Last edited by cletis; 05/16/2009 3:40 AM. Reason: language

The problems we face today can not be addressed at the same level of intelligence we were at when we created them - Albert Einstein Or with the same level of $ - Me