A simple replica of some metal pegboard hooks I got off Amazon.  Hook v6.3 has a shorter supporting bar than v6.4.

Would recommend printing with a material stronger than PLA (pictured is Sunlu Grey PLA, and PLA is all I have at the time I'm posting this model), and use supports, have 100% infill and/or 5+ walls and you probably should use a brim since there's little contact to the bed.

I highly recommend printing in the original orientation of the file as I tried many different orientations and none of them worked as well as the file's orientation posted (again, obviously using supports).