I couldn't help it. Fat beam 650nm was on sale again, yep had to buy more. What will I use them for, something I guess. lol
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If you don't push the diode extremely hard, just wrap some thin scotch tape around the 12mm module and make sure the set screw doesn't tear it. The sharp diodes can handle a good bit of abuse at high temperatures anyway, even if they fail they're cheap enough to replace.