What does the -2 mean in Z87 Safety Glasses?
As you browse our Z87 Safety glasses collection and feel safe and comfortable wearing them, your mind may start to ponder when you notice that we have Z87 and Z87-2 Safety glasses ratings. What is that little difference with the -2 mean? Is there a significant difference between ANSI Z87 Safety glasses and ANSI Z87-2 […]
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