They fit the original bolts for my new EKWB radiator and work well. They're pretty expensive for props, but everything in liquid cooling seems overpriced. FYI they are not the same diameter/thread as my old XSPC heatsink which also claimed to use 6-32 screws. So if you're not buying for EKWB, make sure you do your research. In my case, I'm not sure which one was wrong.
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