Stainless Steel Pocket Utility Knife, Portable EDC Retractable Box Cutter for Cartons, Cardboard and Boxes, Quick-Change Blade, Safety Lock Design, Extra 5 Blades Included (Gold)

There is no button to slide the blade open but handy anyway

The media could not be loaded. I don’t recommend using this to throw blade… but as you can see in my video, it’s possible! Pretty cool edc knife, gonna be giving it a try.**update: so after carrying for over a month I have to say that 4 of 5 stars is a fair rating, I might give a 4.5. It would only be 5 if it could lock standard blade sizes like the one in my video.That said, I have definitely gotten used to quickly deploying it and have not had any accidents with it. The blade has never come loose in my pocket. I use it about 10-15 times a day both for work and home.I like that the locking mechanism does hold the blade in the open position very well. If I lose this, I’m 90% sure I’d buy again, but 10% of me might want to try something else too.

This feels good in the hand but the blade is not very sturdy, it jiggles around quite a bit though I'm not afraid of them coming out, it just feels a bit cheap (which it is) I threw this in my go bag as an alternate-- I'd be afraid to use this every day as even just the few days I've used it the lock has already bent slightly. I don't hate it but you get what you pay for.