EDIT - 05/08/2023----------------------It's now been roughly 6 weeks since I purchased this knife and I am saddened to say that this knife has developed significant front-to-back blade play over the past week. I'm now at a point where when I deploy the blade, my lockup is at about 50% engagement (which one would expect to be a spot where the knife would _not_ show any front-to-back play given how much engagement that actually is). That said, the play is so bad now that the lockup has failed on me several times in the past few days.I'm not exactly a hard-use guy (I've not done any prying with this knife, nor am I whittling away at wood or anything like that), but I *have* dropped the knife twice in the 6 weeks I've owned it when taking it out of my pocket. When the knife's held in a proper hammer or sabre grip it feels like it's rock solid (and plenty grippy), but taking it out of your pocket is a slightly different story, as the titanium and carbon fiber scales on the sides are actually pretty slippery.I can only assume one of those drops is the source of such surprisingly significant front-to-back play. ZT has a really interesting system for these Sinkevich knives where the part of the frame lock that actually contacts the blade (to keep it open when it's deployed) is a separate piece of (presumably) steel that (I also presume) is meant to be a consumable, as it can be removed by a screw that goes directly into the lock bar. If this is indeed the case (that that piece was meant to be a consumable) I find it hard to believe it was ZT's intention to have the thing fail every 6 weeks or so.So I don't know if I bought a lemon, or what, but for the price of this knife, it should be able to take a drop or two without developing severe front-to-back play. More importantly, however, it certainly shouldn't be developing the kind of play I'm seeing, because the play is so bad that it's actually failing in some cases. I shouldn't have to feel unsafe when using a knife of this price.I have contacted KAI USA (the parent company of Zero Tolerance and Kershaw Knives) in the hope that they can help me get this issue sorted out. I don't know if that means I'll be receiving a new blade or a new lock bar insert, but I will update my review again once I know how that goes.For now, however, due to the lack of durability, I have to drop another star and my opinion of this item now sits at 3 stars.Attached are 2 images showing the (presumably) consumable insert where the lock bar actually interfaces with the blade and a side view showing the screw that holds that insert in place.ORIGINAL REVIEW (03/26/2023)--------------------------------------The 0470 is a genuinely beautiful piece of craftsmanship. This is, in my opinion, Sinkevich’s best-looking design to date with its sleek lines, tasteful carbon fiber inlay, attractive (and functional!) grind, and (dare I say it?) gentleman’s knife aesthetic!Seriously, as much as I like ZT’s knives, they’re not the first that come to mind when I think “gentleman’s knife.” I’ll just come out and say it: ZT’s knives tend to look aggressive and intimidating. The 0470 keeps that ZT edge for sure, but I’m not afraid that if I pull it out of my pocket at work that someone is going to wonder if I’m going to hurt someone with the thing. This is a piece of art - a truly beautiful, gentlemanly offering from Sinkevich and Zero Tolerance!It’s manufactured beautifully, too - ZT did an AMAZING job with the machining. All the lines are clean and flow nicely into one another. The jimping is EXCELLENT, the back spacer is both beautiful and grippy, and the titanium scales/handles feel smooth where they should feel smooth (with thoughtful chamfers in places that might otherwise feel like hotspots) and grippy where they should feel grippy (the bottom-third of the front-face has jimping that is actually functionally useful and not just for aesthetics). ZT did an excellent job realizing Sinkevich’s vision for this design with all the attention to detail one would expect for a knife at this price point. This is not always a foregone conclusion these days (I’m looking at you, Benchmade), so kudos to ZT for doing this design justice by manufacturing to excellent tolerances and paying attention to user comfort and usability.The frame lock is bank-vault perfect on the knife I received. I’ve read reviews where some folks have had issues with the lockup being SCARY early (where the frame lock is only engaging *maybe* 5% of the blade), which doesn’t inspire a ton of confidence that the knife will stay safely deployed should force be applied to the spine of the blade, but mine is PERFECT. Lockup has been consistently excellent since day 1 - the frame and the blade have roughly 60% engagement, ensuring the blade - once deployed - isn’t going ANYWHERE until I manually unlock the thing to close it up.The blade (at least on the 0470 I received) has ZERO side-to-side OR front-to-back play when deployed, and was surprisingly slice-y out of the box thanks to its relatively thin stock (0.012” behind the edge) and ZT’s excellent grind. This thing is sharp from choil to tip, no doubt about it.The blade spine appears to be tapered (on the tip-side) such that there’s some meat there. It gives me confidence that if I *have to* use this thing for light prying, the tip isn’t going to immediately snap off. I know some of you will read that and cringe, because pry bars do exist and folding knives tend not to be great prying tools, but it’s comforting to know that if my 0470 is the only tool I have at hand, it can get the job done in a pinch without me having to worry I’m going to break the blade in a potentially irreparable way.The only potential issue I can see some folks having with the 0470 is how difficult it is to deploy if you’re putting ANY pressure on the lock bar at ALL. That might sound obvious, “if you put pressure on the lock bar, the knife is going to be harder to unlock,” but the way the ergos are on this thing, it’s easy accidentally put pressure on the pry bar in most forward-grips (hammer, saber, etc…) with your middle or ring fingers. When you factor in that the flipper tab is surprisingly short, it can be difficult to get good purchase on the tab to overcome any force on the lock bar whatsoever (unless you’re a grizzled woodsman with grown man grip strength as opposed to me with my alabaster delicate hands).That said, if you’re okay with being a little more cognizant of finger placement with this knife than you’d need to be with most other good flipper frame-locks, you’ll find it’s consistently smooth, easy, and FIDGETY FUN to deploy the thing. That KVT ball bearing system is smooth as all get out and VERY snappy. It’s a delight to deploy, and it locks up VERY tightly and securely once it’s deployed.In conclusion, this is an EXCELLENT, EXCELLENT offering from Sinkevich and ZT and I’d recommend it to anyone who wants an EXTREMELY functional/usable knife with high-end blade steel (20CV), excellent ergos, and beautiful, gentleman-tier aesthetics. It maintains that ZT feel without scaring your sensitive neighbors on-sight.Highly recommended, especially at the $240 price point (it was marked down 26% at the time of my purchase), though I can see this offering good value even at the ~$275-300 range.