Why not have a knife that will open the packages, able to be re-sharpened, has more than one blade and has other commonly used everyday tools??? The Swiss Army knife "tinker."
https://www.amazon.com/Victorinox-Swiss-...wiss+army+knifeSeriously, I've carried the same one every day for going on for 30+ years, and used it in innumerable situations, including opening boxes. . .