Anyone know what the difference between the 1.25" Sink tube LED/Blade holder and the 1.25" OD LED/Blade holder ? The sink tube one no longer comes with the longer v3 heatsink. I have a non sinktube metal tubing that has a ID of 1.25" and I am unsure which to buy. Also wondering if the heatsinks of all bladeholders and lens holders are universal so i can swap out the longer v3 heatsink to one of the above mentioned blade holders. I am trying to add extra bulk to pull out excess heat.
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