Call me a pessimist but it's starting to feel like this is no longer happening?

Is this what I need to open it up? https://www.amazon.com/ATLIN-Screwdriver-Security-Nintendo-Cartridges/dp/B01N3UO3V7/ref=sr_1_2_sspa?keywords=gamecube+screwdriver&qid=1556238090&s=gateway&sr=8-2-spons&psc=1 For the same price you can get a very useful full set of tools for opening...