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1#/ft² - 1/64" - 0.4mm
2#/ft² - 1/32" - 0.8mm
3#/ft² - 3/64" - 1.2mm
4#/ft² - 1/16" - 1.6mm
5#/ft² - 5/64" - 2.0mm
6#/ft² - 3/32" - 2.4mm