Victorinox Swiss Army 111mm/4.37in One-Hand Sentinel (Serrated Blade) Lockblade Knife, Black

The Victorinox 54886 Swiss Army One-Hand Sentinel (Serrated Blade) Lockblade Knife with Clip has a serrated main blade that can be comfortably and easily opened with one hand. That's what the big "hole" in the knife blade is for. When the knife is closed, your thumb uses this as you flip the knife open. The Swiss Army knife carries Victorinox famous lifetime warranty against any defects in material and workmanship.