KeyUnity KU00 Titanium Quickdraw Carabiner with Folding Knife, B Shaped EDC Multifunctional Keychain with 2 Inch Ruler, Palm Sized Lightweight Stainless Body Perfect for Home/Office/Camping

Love this little caribiner. Use it it everyday on a lanyard

Packaging was nice, and everything looked great when I got it. I do sort of wish the ruler on the back was in metric and not inches, but I am most definitely the odd man out with that mindset in America. Perfect size to be useful yet compact. The blade is much smaller than I thought it would be but it is going to work just fine for the rare occasion that I need it. The lock feature isn't really a lock, it is more of a detent that holds the blade open or at 90 degrees. Anyone confident with a blade will have no issues using it. Large fingers might struggle to open it though as there isn't much to grab on to. Overall very happy with it!

Great build quality and utility, it was just a bit smaller than anticipated, ended up on my spare set of keys

Cool gadget. Quality construction

Nothing bad to say about this product, the carabiner is the perfect size, the knife is as sharp as a surgical knife and can cut through anything, I’ve used to take off the license plate stickers on my license plate, cut through tape and boxes, it is incredibly sharp! It’s light and easy to maneuver. Would buy again and already have.

I added this to my keyring. It's nice and sharp! What's even nicer, the replacement blade in my wallet!

The bad: The headline feature of this product is being able to carry an extremely sharp blade with you easily for emergencies. However, replacing this blade is beyond difficult (and dangerous) since the tolerances are so tight. Both times replacing with the brand's own replacement blades it was a stressful experience very carefully wiggling the blade free as is it did not want to come loose (even when following the instructions exactly - there is a notch you have to navigate). Since the blade is so sharp and there's not much surface area, there is a huge risk of cutting yourself when replacing the blade if it is hard to remove. A different locking mechanism might be a good future design choice. The good: once the blade is installed, everything works exactly as intended. The carabiner is about almost weightless and the hook mechanism is easy to use and innovative. Just be aware you will need to take extreme care changing the blades.

This is the ULTIMATE keychain utility device. I got one my first one for free, and my wife stole it for her keychain the moment I showed it to her. I immediately bought a 2nd because I love it so much. The spring action of the hing is strong and solidly built. The overall shap hooks well over my belt loop, and it's perfect for my "Car Key Transmitter" that never really never really needs to be inserted into an ignition. The built-in scapel knife, is ridiculously sharp and handy, and it can be replaced. In fact, it comes with replacements! I love almost everything about it with two exceptions. The first problem is that I have to remember to leave it home or swap it with a regular carabiner if I ever fly by air. I love having the scalpel like blade with me at all times, but I know I'm going to forget that it's attached. If I forget, I know I'll have to leave this behind at the gate, and I'll hate that! The second concern is that I'm still a little nervous about closing the blade. That (replaceable) scalpel blade is sharper than most ordinary knife blades, and I take great care to keep my finger tips well back when I close it. I'm probably just being paranoid, but I fear the day I accidently cut myself. I'm not sure that either of those are reasonable complaints, and I'll have nobody to blame but my self if I bring this to an airport or cut myself. Overall, I love this. It's expensive, but I think it's worth it. I even put my money where my mouth is, and bought a 2nd. I use it EVERY day. Consider it a piece of jewelry (and consider the quality), and you won't mind the price.

Very small . I was surprised of the size. Made for a baby Waste of money

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