Tenable Kitpu B2123A3 Stonewashed Nitro-V Blade Black G10 Handle Liner Lock Folding Knife

The Tenable Kitpu B2123A3 is a slim gentleman's folding knife inspired by the Mi'kmaq word for "eagle." Designed by Jonathan, a Newfoundland-based knife maker and lifelong outdoorsman, this blade merges functional art with everyday practicality. The 2.90" Nitro-V stonewashed blade delivers superior corrosion resistance and edge retention, ideal for outdoor and daily use. The black G10 handle provides durability and impact resistance with a secure grip in all conditions. A ceramic ball-bearing flipper tab enables smooth, one-handed deployment, while the liner lock mechanism ensures reliable blade security during operation. The reversible deep-carry pocket clip offers both tip-up carry and ambidextrous functionality for right- and left-handed users. Its compact, lightweight design makes it perfect for everyday carry without compromising performance. The understated profile disappears seamlessly into your pocket, maintaining a clean aesthetic while delivering the cutting performance serious users demand. Whether you're an outdoor enthusiast or EDC collector, the Kitpu combines minimalist design with purposeful engineering—a true reflection of Jonathan's philosophy that great knives are functional art.

Nitro-V Blade Introduction

Nitro-V is a nitrogen-enriched martensitic stainless steel refined to deliver an outstanding balance of extreme toughness, fine edge stability, and excellent corrosion resistance. Its fine carbide structure allows for remarkable ease of sharpening and exceptional resistance to chipping. However, its edge retention is modest when compared to high-vanadium powder metallurgy steels, meaning it requires more frequent honing under abrasive cutting tasks. It is an ideal choice for demanding applications where durability and ease of maintenance outweigh ultimate wear resistance.

SPECIFICATIONS

Overall Length	6.69''/170mm
Blade Length	2.9''/73.8mm
Blade Thickness	0.125''/3.2mm
Blade Material	Nitro-V
Blade Style	Drop Point
Blade Grind	Flat Grind
Blade Finish	Stonewashed
Handle Material	G10 with Frag Pattern
Color	Black
Lock Type	Liner Lock
Weight	2.5oz/70.8g
Model Name	Kitpu
Model Number	B2123A3
Designer	Jonathan Styles

Tenable Kitpu B2123A3 - Product Overview

The Tenable Kitpu B2123A3 is the stealth version of Jonathan Styles' eagle folder: a 2.9" stonewashed Nitro-V drop point in a textured Black G10 Frag Pattern handle with a milled frag pattern. It is the value pick of the family at under seventy dollars, yet you still get ceramic-bearing flipper action, a solid liner lock and a reversible deep-carry clip that works for left- and right-handers. At 2.5 oz (70.8 g) it is the definition of an unobtrusive working EDC. Compare the Tenable Kitpu collection family and Kitpu knife listing listing, shop Tenable knives designs, or browse Nitro-V knives, liner lock knives, folding knives and EDC gear.

Tenable Kitpu B2123A3 - Nitro-V Steel Selling Points

Nitro-V is a nitrogen-enriched stainless steel that has quietly become an EDC favorite. The nitrogen refinement gives it unusually fine carbides, which translate into excellent toughness, superb edge stability and effortless sharpening at 58-60 HRC. It shrugs off chipping better than most premium steels and resists corrosion well enough for wet-weather carry. Edge retention sits a notch below super-steels - expect a quick touch-up every couple of weeks of hard use - but for a slim gentleman's folder the balanced character is exactly right.

Tenable Kitpu B2123A3 - Core Selling Points

• 2.9-inch Nitro-V drop point holds a keen, stable edge through daily cutting chores.
• Slim gentleman's profile disappears in the pocket at just 2.5 oz.
• Ceramic ball-bearing pivot makes the flipper action glassy smooth.
• Liner lock engages positively with zero blade play in use.
• Reversible deep-carry clip suits left- and right-handed carry equally.
• Nitro-V resists corrosion and toughness for worry-free all-weather carry.
• Textured handle scales keep grip secure in rain, sweat and gloves.
• Jonathan Styles' eagle-inspired design at an entry-level price point.

Tenable Kitpu B2123A3 - Where It Earns Its Pocket Time

• Office and business carry - The slim profile and deep-carry clip let the Tenable Kitpu B2123A3 ride invisibly in tailored trousers at 2.5 oz (70.8 g).
• Package and mail duty - The 2.9-inch drop point opens boxes and slices tape cleanly without startling coworkers.
• Camp and picnic food prep - The flat grind handles cheese, salami and apples far better than a thick blade.
• Everyday errands and commuting - Ceramic-bearing flipper action makes one-handed opening natural at stoplights and checkout lines.
• Light outdoor tasks - Notching firestarter, trimming paracord and cutting guylines are all in the drop point's comfort zone.

Frequently Asked Questions

What steel is the Tenable Kitpu B2123A3 blade made from?

It runs Nitro-V at roughly 58-60 HRC - a powder-metallurgy stainless chosen for edge retention and corrosion resistance.

How does the liner lock on the Tenable Kitpu B2123A3 work?

The liner lock engages automatically as the blade swings open and releases with a deliberate press of your thumb.

How large is the Tenable Kitpu B2123A3?

Closed dimensions keep it pocket friendly; opened up it measures 6.69" / 170 mm overall with a 2.9" cutting edge and weighs about 2.5 oz.

Is the Tenable Kitpu B2123A3 suitable for left-handed carry?

Yes - the symmetrical handle and ambidextrous-friendly lock make it comfortable for either hand.

Tenable Kitpu B2123A3 - Steel Comparison Table

Steel	Typical HRC	Edge Retention	Corrosion Resistance	Toughness	Sharpening Ease
Nitro-V (this knife)	58-60	Good	Very Good	Very Good	Very Easy	14C28N	59-61	Good	Excellent	Good	Very Easy	D2	58-61	Very Good	Fair (oil it)	Good	Moderate	8Cr13MoV	57-59	Fair	Good	Good	Very Easy

Glossary of Key Terms

Nitro-V
A nitrogen-enriched martensitic stainless at 58-60 HRC. Rare toughness for the hardness, superb fine-edge stability and very easy sharpening.

Liner Lock
A spring bar inside the handle that snaps behind the blade tang on opening; press it sideways with your thumb to fold the knife.

G-Mascus
A layered G10 laminate milled and textured to read like Damascus - all the looks with none of the corrosion maintenance.

PEI / Ultem
A translucent amber high-performance thermoplastic used for handles; tough, heat resistant and visually striking.

Deep Carry Clip
A low-ride pocket clip that sinks most of the handle below the pocket rim so only a sliver shows.

Ceramic Ball Bearing
Pivot bearings made of ceramic that stay glassy smooth and never rust, even in humid pocket carry.

Tenable Kitpu B2123A3 - Who Should Buy / Who Should Skip

Who Should Buy

• Office carriers who want premium materials without a wallet-draining price.
• Left-handed users - the reversible deep-carry clip and liner lock work either side.
• Fans of Jonathan Styles' Tenable designs at an entry-level price point.
• Anyone who values light weight - 2.5 oz is a true all-day pocket knife.
• Gift buyers who want a named designer folder under a hundred dollars.

Who Should Skip

• Anyone needing heavy prying or batoning - the slim 3.2 mm blade is a cutter, not a lever.
• Users who want super-steel edge retention; Nitro-V trades some wear resistance for toughness.
• People who dislike flipper tabs on the spine of a classic-styled folder.
• Buyers in areas restricting locking folding knives - check local law first.

Tenable Kitpu B2123A3 - Care & Maintenance

1. Wipe the blade dry after every use - moisture left at the pivot migrates into the lock face overnight.
2. Add one drop of quality knife oil to the pivot and lock contact points monthly, then work the action to spread it.
3. Blow pocket lint out of the handle with compressed air before oiling so grit never grinds inside the pivot.
4. Wash with warm water and mild dish soap when it gets grimy, then dry completely before it goes back in the pocket.
5. Touch the edge up on a 1000/3000 grit stone system; stropping on leather keeps a working edge alive for weeks.
6. Never put the knife in the dishwasher - heat and detergent wreck handles, bearings and edge geometry.
7. Do not pry, twist or use the tip as a screwdriver; even 60 HRC steel chips under hard lateral load.
8. Store it dry with a vapor tab; for long-term storage, coat the blade with a light film of mineral oil.
9. Re-tighten pocket clip and body screws periodically with the correct Torx driver, not a worn flathead.