I recently received this little keychain knife through the Amazon Vine Program, and let me tell you, it's a game changer for anyone who regularly deals with packages or boxes. Whether it's slicing through Amazon parcels, tackling daily mail, or even at work in a grocery store setting, where boxes are a constant, this knife shines through its versatility and convenience.The first thing you'll notice about this knife is its size. At just 3 inches, it's incredibly compact, fitting seamlessly onto a keyring. This isn't just a knife; it's an unassuming companion that you'll hardly notice in your pocket until you need it. But when you do, it's ready to impress. The ease of having a tool like this on hand for quick jobs can't be overstated.Now, don't let its size fool you. This knife might be small, but it's mighty. The blade is razor sharp, slicing through thick and durable cardboard as if it's butter. It's been a real lifesaver at work, where opening boxes is part of the daily grind. It's not just about getting the job done, but doing it efficiently and safely, and this knife ticks both boxes.Another great aspect is the value it offers. The package comes with five extra blades, ensuring longevity and reliability. It's not just a one-off tool; it's something that you can rely on time and time again. Plus, the fact that it's so unobtrusive makes it an even bigger win in my book.In summary, if you're in the market for a small, pocketable box cutter that doesn't skimp on performance, this keychain knife from Kenien Tools is definitely worth considering. Whether it's for personal use or as a thoughtful holiday gift, its utility, size, and quality make it a standout choice. And let's be honest, who doesn't love a tool that makes life a little easier, especially one that comes in a nifty, compact package?