Where to begin… came with 7 M3x35 screws and one 3x30. It’s actually fine, because only two screws can be used per fan. The fan grills don’t line up properly with the fan housing. Just far enough off side to side that if you do one side, you can’t do the other side. Drill out the opening, you say? I did, but the knurled inserts ALSO don’t fit properly. They’re a hair too thick, which creates a different misalignment in the opposite direction.
Then there’s the garbage motor clamp that these attach to, but that’s not included here. (See my review there, though.)