Nitecore NTK09 Multifunctional EDC Knife For Your Keychain! Looking for an incredibly durable knife made for your line of work? We have you covered with the Nitecore NTK09! With a rugged titanium body and razor-sharp carbon steel blade, the NTK09 is built for every shift at work and trip outdoors. Best of all, the locking mechanism is incredibly versatile. Have stable blade alignment with a click sound, to let you know the removable blade is locked into place. The simple slide design ensures swift, one-handed deployment, for quick cutting every time. Lightweight at under an ounce, it also has a keychain hole to pair effortlessly with your keyring. Did we mention it doubles as a bottle opener? From slicing packaging to cutting rope, and cracking open a cold one after a long day, the NTK09 is the essential tool you’ll never leave home without.