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What is the tool called that is used to adjust focus lens of laser pointer pens?

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Jan 22, 2012
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It is an odd looking tool I'd imagine. The lens has two cylindrical indentions on opposite sides of the lens screw. I would think the tool needed would look like a screwdriver but on the driver end would have a flat bar with two cylindrical notches sticking out on either end of the bar. I'll attach a picture of the assembly too since I'm sure my description leaves something to be desired. :thanks:
 

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    LaserDiodeFocusAssy.jpg
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