SKU: 41509142599

KB Socius Folding Knife 3.46" S90V Tanto Blade Flame Anodized Titanium Handle KB300B

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Description

KB Socius Folding Knife 3.46" S90V Tanto Blade Flame Anodized Titanium Handle KB300BThe KB Socius KB300B is a premium everyday carry folding knife engineered for performance and style. Designed by Johnathan Jacobs, this knife blends modern materials with precision craftsmanship. At its core, the Socius features a 3. 46 inch S90V stainless steel Tanto blade with a bead blasted finish, providing outstanding edge retention, toughness, and corrosion resistance. The flat grind edge ensures smooth, efficient cutting performance, making it

The KB Socius KB300B is a premium everyday carry folding knife engineered for performance and style. Designed by Johnathan Jacobs, this knife blends modern materials with precision craftsmanship.

At its core, the Socius features a 3.46-inch S90V stainless steel Tanto blade with a bead-blasted finish, providing outstanding edge retention, toughness, and corrosion resistance. The flat grind edge ensures smooth, efficient cutting performance, making it perfect for both everyday tasks and tactical use.

Its flame-anodized titanium handle with triangle milling delivers lightweight strength, visual appeal, and a secure grip. The knife rides on caged ceramic ball bearings, ensuring smooth and responsive blade deployment. A titanium frame lock provides rock-solid lock-up, while the flame-anodized titanium clip, screws, and backspacer add a refined, cohesive look.

Built for enthusiasts and professionals alike, the KB Socius is a high-end EDC knife ready to tackle any challenge.

Key Features

  • 3.46" Tanto Blade: S90V premium stainless steel for top-tier edge retention and strength.

  • Bead-Blasted Finish: Non-reflective, durable finish ideal for daily use and tactical tasks.

  • Flat Grind Edge: Precise, clean cutting performance with versatile utility.

  • Flame-Anodized Titanium Handle: Lightweight, durable, and visually striking with triangle milling pattern.

  • Titanium Frame Lock: Reliable and secure blade lock-up for demanding use.

  • Caged Ceramic Ball Bearings: Smooth, consistent blade deployment.

  • Titanium Hardware: Clip, screws, backspacer, and pivot cap all flame-anodized for a premium cohesive look.

  • Tip-Up Carry Clip: Right-handed, discreet deep carry design.

  • Designed by Johnathan Jacobs: Combining premium materials with precision engineering.

Specifications 

Feature Details
Brand KB
Model Name Socius
Model Number KB300B
Designer Johnathan Jacobs
Country of Origin China
Blade Length 3.46" (8.8 cm)
Overall Length 8.07" (20.5 cm)
Closed Length 4.61" (11.7 cm)
Blade Width 1.10" (2.8 cm)
Blade Thickness 0.12" (3.1 mm)
Handle Thickness 0.47" (1.2 cm)
Weight 3.71 oz (105 g)
Blade Steel S90V Stainless Steel
Heat Treatment Vacuum & Cryogenic
Blade Shape Tanto
Blade Finish Bead-Blasted
Blade Grind Flat
Edge Type Plain
Handle Material Titanium
Handle Finish Flame Anodized with Triangle Milling
Lock Type Frame Lock
Washer System Caged Ceramic Ball Bearing
Clip Material Titanium (Flame Ano)
Clip Position Tip-Up, Right Carry
Backspacer Material Titanium (Flame Ano)
Screw Material Titanium (Flame Ano)
Pivot Cap Material Titanium (Flame Ano)
Blade Hardness HRC 60-62
Sharpening Angle 15°-20°
Warranty Lifetime

Feature Highlights 

  • Premium S90V steel blade for exceptional edge retention and corrosion resistance.

  • Tanto blade shape ideal for piercing and versatile cutting tasks.

  • Flame-anodized titanium handle with triangle milling for strength and aesthetic appeal.

  • Smooth caged ceramic bearings for rapid, fluid blade deployment.

  • Titanium frame lock for rock-solid performance under heavy use.

  • Full titanium hardware, including clip, screws, and backspacer, all flame anodized.

  • Precision design by Johnathan Jacobs for collectors and serious EDC enthusiasts.

  • Lightweight at only 3.71 oz, perfect for everyday carry without bulk.

  • Tip-up right-hand deep carry clip for secure, discreet pocket carry.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 41509142599

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4.8 ★★★★★
Based on 13 reviews
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Product Reviews
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Verified Purchase
primem0ver
Charlottesville, US
★★★★★ 1
A firmware nightmare
Style: AVR-S770H
This piece of garbage has a mind of its own.  I bought it because I needed an HDR friendly device and it was highly recommended on more than one receiver list and went for a decent price.  In strictly audio terms it is a nice machine, though I wouldn't say its features are extensive.  However, IT decides when it wants to do things.  It randomly goes to zero volume without me touching anything (around once a week on average).  It randomly decides not to give me a picture when I turn it on.  This has improved since the last firmware update.  We are down from almost 20% of the time to slightly less than 10%.  Yes.  You read that correctly.  I have to turn it off and then on again, sometimes more than once before anything besides a brand name will show up on my TV.  It is supposed to have a screensaver but that never comes up unless they consider the stationary brand name a screen saver.  I have owned this thing for over 6 months and actually seen a screensaver with animation twice.  I have to turn my TV off if I am going to be away from it for any amount of time.  It has had plenty of opportunity.  The bottom line is that the people who write the firmware (operation software) don't seem to know what they are doing because this device is terrible at detecting REAL events and performing the necessary actions.  As a software/media developer, my primary device is a PC but I have been using PCs with receivers for decades and never had these kinds of problems.  Oh yeah... and the latest estimate of a firmware download is over 10 minutes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 13, 2025
N
Verified Purchase
Neuralsplyce
Dallas, US
★★★★★ 5
Turned me into a Denon fan.
Style: AVR-S770H
I've only ever used Sony components for over 30 years. My latest Sony receiver experienced some problems. When I saw how much it would cost to repair it myself (circuit board swap), I decided to look at what else is on the market. This receiver costs less than the Sony replacement part with S&H. When the box showed up with full-sized, color pictures of the front and back of the receiver, I knew I was going to become a fan. Opened the box and one of the first thing I saw was a sheet of colored cable labels that includes labels for the components that will be plugged into the receiver. Pull the receiver out and see that the ports are color-coded too. Color-coded ports and labels is something I'm very serious about. I worked for years as a field engineer for a Fortune 100 computer equipment manufacturer. The low-end components started at $100k. For years, I tried - and repeatedly failed - to convince the product design teams to color-code the ports. To find everything I had fought for in a consumer-grade device was a dream come true. Not satisfied to make the cabling process as easy as paint-by-numbers, Denon embedded a video setup routine in the receiver that walks you through setting up your speakers, running the cables, and plugging in every single cable. The audio calibration process far exceeds what the Sony receivers do. In the box is a microphone with really long cable and a cardboard microphone stand you can easily assemble and disassemble. During the lengthy calibration, you place the microphone in 3 different listener positions - twice - for a total of 6 room readings. Adding components to each HDMI port was also just as easy and detailed. I have a small 'home theater PC' that it detected and gave me multiple names to assign to the port (Sony port names are fixed). I plugged my Xbox into the Game port and the top name on the list was Xbox. In no time, my home theater was back to normal - and I haven't even download the user manual to learn how to use the other features or go into the advanced settings.
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Reviewed in the United States on August 31, 2024
C
Verified Purchase
C. Watts
Belleville, US
★★★★★ 4
Good with two annoyances
Style: AVR-S770H
It works for what I need (Xbox Series X FreeSync to an LG C3 TV and 5.1 speakers), but there are two annoying bugs. When it first turns on or changes to an input with a different frame rate, the content briefly flashes on the screen, then it goes black, then it goes back to the content taking a good 3 seconds before it's usable. And when you hold the volume buttons on the remote they go super slow for a bit then suddenly ridiculously fast. Not deal breakers, but it does get old after a while. Also no bi-amping, which I knew beforehand, but still a let down.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 20, 2024
D
Verified Purchase
daniel eastwood
Draper, US
★★★★★ 5
great product
Style: AVR-S770H
I bought the Denon S770H to replace my 20 year old Optimus receiver. I wasn't looking to go crazy on cost but wasn't afraid to put up a little extra money either so I chose middle of the road for Denon. When I put this in my cart I was expecting to pay $649 plus but was pleasantly surprised to see a $200 price drop by the time I pulled the trigger on the purchase. Product came quick and I set it up the next day. I am only using the 5.1 set up at this time but the way the on screen set up walks you through everything it is a breeze. The AVR analyzes each speaker position individually to optimize the settings and provides the best balances possible. This receiver takes my old speakers to a new level of enjoyment without buying anything else (at this time). Watching a Football game it makes the sound come as though you are actually in the stadium. Love it! Still haven't tried all of the options for inputs yet, but I'm sure there will not be any disappointments. I would highly recommend Denon.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2023
A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 5
Great for UTV rear light install!
Size: 16AWG -10FT 2Pin DT
I had a set of 3” Nilight pod lights with wiring harness to install as rear lights on my Ranger 570 SP. The Nilight harness with relay was great! But it was too short to keep the relay and fuse in the front compartment on the pulse panel. These were the perfect solution! The extensions are plugged in under the tunnel to each of the individual light leads from the Nilight harness. And there was just enough length to run behind the seat back, up the driver side roll bar, and to each light. (Had about 1’ too much for passenger side light, so should be fine for full-size Ranger too.) Now have a weatherproof, factory quality installation with no splices or solder joints. The only mods I had to make for the entire install (not related to these extension cables) were: 1) Cutting the ring lugs off and adding waterproof heat shrink butt splices to Polaris pulse plug, and 2) Buying a factory-style Carling L1 illuminated switch to replace the round switch provided. (This is a direct plug and play too since the Nilight switch wiring has 1/4” faston connectors.)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 27, 2024

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