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Next, I used a 15/64" (almost 6mm which would work fine) and hand drilled the hole for the grommet (yes, I twisted it with my bare fingers).  I wanted to make sure I drilled straight and using a hand-held drill would've caused the hole to be at a slight angle due to the head light housing interfering with the drill chuck.

Next, I used a 15/64" (almost 6mm which would work fine) and hand drilled the hole for the grommet (yes, I twisted it with my bare fingers). I wanted to make sure I drilled straight and using a hand-held drill would've caused the hole to be at a slight angle due to the head light housing interfering with the drill chuck.

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