ST45019 7-in-1 Stainless Steel Black Mini Folding Knife (Single Pack)

This is only a friction folder, with no locks or springs. Once oiled it works well and won't fold under normal use but you need to be careful when using the bottle opener. Otherwise a neat and tidy key ring accessory.

I bought this knife based on the sale price. I have it attached to my key ring. It's lightweight and not bulky. Solid and sturdy.

I have to admit that I ordered this partly for the design. The other thing I like about it is that it's got a slim profile so is easily packable. I plan on keeping it in an emergency kit for adventure racing so it will only be used on rare occasions. As other reviewers have stated it doesn't lock when open. This shouldn't be a problem unless you're really abusing it. It actually doesn't open that easily (stiff blade) and has a bit of friction when fully open. If cutting normally there isn't any danger of it closing on your fingers. Note that it is rather thin which makes the grip less effective. A wider grip would be more practical (but less packable). I tested the bottle opener once. Doesn't work that well but gets the cap off. Good if there's nothing else available. The wrenches probably shouldn't be used because the blade will be open.

It wasn’t too great, but for the price, it’s a decent keychain. Feels pretty cheap

WORKS WELL! LAYS FLAT. DON'T EVEN KNOW YOUR CARRYING IT. BE CAREFUL DON'T CARRY IT ON A PLAINE.