It fits Amd 6850 griahic card fan.
Center Rod is 3mmMagnet core is 30mmMagnet circle height is 10mmSize is for 80mm
I made this to replace a fan with broken balde for AMD 6850 grpahic card. It fıt perfectly and running with silence. Dont forget to grease while installing and try to make core magnet fit into the fan as tight as possible.
I included f3d file into the archive.
Nozzle is 0.4mm.