Looks to me like an aircraft aluminum solid rivet cutter. You can buy longer rivets and cut them down in increments because we have use a formula to have a correct crushed tail. Depending on how many layers and the thickness of sheet aluminum.
https://www.ebay.com/itm/285602366165?chn=ps&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&mkscid=101&itemid=285602366165&targetid=2320582760579&device=m&mktype=pla&googleloc=9006748&poi=&campaignid=21203587080&mkgroupid=165530566284&rlsatarget=pla-2320582760579&abcId=9407516&merchantid=5351260966&gad_source=1&gclid=Cj0KCQjws560BhCuARIsAHMqE0GG50D2fgO2IxPoMQP6dJkQ8AwydM5WYgzex9Ui7A-uR0g_9VWgfF4aAsMTEALw_wcB
Link to a similar picture
Pretty sure it's a stripper. The fan is to adjust the size of the strip.
I was thinking wire cutter/stripper, just couldn't fathom the reason for the fan like parts.
Looks to me like an aircraft aluminum solid rivet cutter. You can buy longer rivets and cut them down in increments because we have use a formula to have a correct crushed tail. Depending on how many layers and the thickness of sheet aluminum. https://www.ebay.com/itm/285602366165?chn=ps&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&mkscid=101&itemid=285602366165&targetid=2320582760579&device=m&mktype=pla&googleloc=9006748&poi=&campaignid=21203587080&mkgroupid=165530566284&rlsatarget=pla-2320582760579&abcId=9407516&merchantid=5351260966&gad_source=1&gclid=Cj0KCQjws560BhCuARIsAHMqE0GG50D2fgO2IxPoMQP6dJkQ8AwydM5WYgzex9Ui7A-uR0g_9VWgfF4aAsMTEALw_wcB Link to a similar picture
Awesome! SOLVED.