Artisan Cutlery Proponent Family Guide: D2 vs S35VN, G10 vs Titanium (2026)

Most folding knives get smaller as they get more expensive. The Artisan Cutlery Proponent does the opposite. This is a genuinely large folder built around a wide, angled Wharncliffe blade, a thick blade stock, and a handle that fills the palm — a design by American maker Dirk Pinkerton that Artisan has kept in production across three very different price tiers.

That spread is what makes the Proponent interesting. It is one of the few models where you can buy essentially the same knife in budget D2 with G10 handles, in premium S35VN with titanium handles, or as a Damascus showpiece — and the price moves from about $70 to about $600 doing it.

Here is every variant in the EDCDeal catalog, what changes between them, and which one makes sense for which kind of carry.

What the Proponent is built around

Every Proponent shares the same core design language:

• A Wharncliffe blade. A straight, uncurved cutting edge that runs all the way to a sharp point, with the spine dropping toward the tip. It is a pattern that excels at pull cuts and at slicing flat material without the blade wandering.
• A very wide blade. The design is unusually tall compared to a standard drop point, which raises the angle of the cutting edge and generates more force at the edge for the same downward pressure.
• A flat grind with thick stock. Stock thickness ranges from 0.12" on the Damascus version to 0.18" on the D2 and full-size titanium versions. This is a knife built for leverage, not for delicate slicing.
• Ceramic ball bearing pivots. Artisan lists a ceramic ball bearing pivot on every version, which gives the blade a smooth, rolling action rather than a washer glide.
• The lock pin. This is the Proponent's signature feature and it deserves its own section.

The lock pin: Artisan's secondary safety system

Every Proponent ships with a hardened steel pin that threads through the handle and into the path of the blade. Screwed in with the blade open, it physically blocks the blade from closing. Screwed in with the blade closed, it blocks the blade from opening.

In effect, the pin turns a folding knife into something that behaves like a fixed blade for the duration of a job, and it gives you a locked-closed option for storage or for carrying a big folder in a bag where you do not want the blade to migrate. It is a genuinely unusual feature in this price range — most manufacturers add a flipper tab and call it a day.

The two Proponent platforms

Artisan builds the Proponent on two distinct chassis, and this is the distinction that matters most when you are shopping.

ATZ-1820P: the D2 and G10 platform ($69.99)

This is the value version, and it is the one most people should start with. Two handle options are listed at the same $69.99: a milled G10 handle in three colorways (black, gray, and green) and a carbon fiber handle. The G10 version uses a precision-milled groove pattern that stays grippy when your hands are wet or slick with oil.

D2 at HRC 59–61 on a 0.18-inch-thick flat grind is a working combination: it takes a stable edge and holds it, and it is tough enough that you are not going to roll the apex on hard use. It is not a highly stainless steel, so a dry pocket and an occasional wipe are part of owning this one. We covered that trade-off in detail in the D2 vs 14C28N comparison, and Knife Steel Nerds' "All About D2" reference article is the deepest public write-up on the steel.

The three G10 colorways and the carbon fiber version are all listed at $69.99: the black G10 ATZ-1820P, the green G10 ATZ-1820P, the gray G10 ATZ-1820P, and the carbon fiber ATZ-1820P.

ATZ-1820G: the S35VN and titanium platform ($199.99–$212.87)

The titanium Proponent is the same knife re-engineered in premium materials, and the two most important changes are the steel and the lock.

S35VN is a niobium-alloyed stainless that holds an edge well while resisting corrosion far better than D2 — at HRC 60–62 Artisan is running it hard, which is where S35VN performs best. Knife Steel Nerds' S35VN properties article explains what the niobium addition actually does. The frame lock replaces the liner lock: instead of a thin spring-steel leaf inside the handle, the handle scale itself is the locking member, which removes parts and makes for a stiffer, more positive lockup — Wikipedia's frame lock overview covers the mechanism. If frame locks are new to you, our roundup of the best frame lock EDC knives explains why people gravitate to them.

Both full-size titanium versions are currently listed — the ATZ-1820G at $199.99 and the ATZ-1820G at $212.87 — with Artisan Cutlery's official product listing as the manufacturer reference for the model.

The cost is weight. At roughly 10.6 to 10.9 ounces, this is roughly four times the weight of a typical lightweight folder. Your belt, not your pocket, will notice.

If you want the deeper steel comparison, our S35VN vs S90V breakdown and the S45VN vs S35VN comparison both cover how this class of steel behaves in practice.

The compact Proponent and the Damascus flagship

Two more SKUs fill out the family, and both use a smaller 3-inch blade:

• ATZ-1820GS — $187.33. S35VN blade at HRC 59–61, titanium handle, frame lock, ceramic ball bearings, 3" blade, 7" overall, 4.2 mm stock, 6 oz / 170 g. See the compact Proponent ATZ-1820GS listing.
• ATZ-1820GSD — $598.50. Damascus blade with an acid-etched finish, titanium Damascus handle and clip, frame lock, ceramic ball bearings, 3" blade, 7" overall, 3.2 mm stock, 6 oz / 170 g. See the Damascus Proponent ATZ-1820GSD listing.

The GS is the Proponent for people who like the design but do not want a nine-inch knife in their pocket: it drops two inches of length and about 4.6 ounces while keeping the titanium frame lock and stainless blade. The GSD is the collector's version — the same compact titanium frame lock chassis with a Damascus blade and a Damascus-patterned titanium handle, priced accordingly.

Wharncliffe on a large folder: what it is actually good at

The Wharncliffe pattern is often described as a utility shape, and on a knife this tall the effect is amplified. The straight edge meets the material at a consistent angle all the way to the tip, so long pull cuts stay on line and you can cut flat stock — cardboard, corrugated, shrink wrap, sheet material — without the blade skating off course.

It is also an easy pattern to sharpen, because there is no belly to follow: you can work the entire edge on a stone with a single consistent stroke. Our comparison of Wharncliffe versus sheepsfoot blades covers how the two most common straight-edge patterns differ, and the broader best blade shape for EDC guide is worth reading if you are still deciding whether you want a straight edge at all.

The trade-offs are real: a Wharncliffe has no belly for roll-cutting through a rope on a board, and the acute tip is less suited to prying or scrap work. Combined with a 0.18-inch-thick flat grind, this is a knife that slices aggressively and shrugs off leverage, but it is not a delicate cutter. For an honest look at how grind and stock interact, see our blade thickness explainer and the edge geometry guide.

Which Proponent should you buy?

A reasonable rule of thumb: buy the D2 and G10 version if this is your first large folder, because it will tell you within a month whether a nine-inch, 9.5-ounce knife fits your life. If it does, the titanium version is a meaningful upgrade rather than a cosmetic one.

Carrying and maintaining a Proponent

At 9.5 to 10.9 ounces, the full-size Proponent is a bag or sheath carry for most people rather than a trouser-pocket knife. The compact GS and GSD at 6 ounces are considerably more portable. All versions use a pocket clip — steel on the D2 models and titanium on the premium ones.

Two maintenance habits matter more on this knife than on a slim folder. First, because the blade is thick and deployed with a flipper, the pivot sees meaningful load — keep the bearing race clean and the pivot tension where it left the factory. Second, the lock pin is a threaded steel part; a very small amount of thread locker keeps it from backing out in use, and it should be removed and wiped down before storage. Our guide to cleaning and lubricating a folding knife covers both routines, and how to disassemble a folding knife is the reference if you want to strip the pivot down for a proper service.

The Proponent also sits at the top of Artisan's own range, so if you are weighing it against the rest of the catalog, our Artisan Cutlery price tier buying guide and the Artisan Cutlery S90V titanium guide give you the wider context, while the Artisan Cutlery Sirius family guide and Artisan Cutlery Archaeo family guide show what the brand does with more conventional blade shapes.

Frequently asked questions

Is the Artisan Proponent a folding knife or a fixed blade? It is a folding knife. The confusion is understandable: the Proponent ships with a hardened steel lock pin that threads through the handle to block the blade open, which effectively makes it behave like a fixed blade while the pin is installed. With the pin removed, it folds and carries like a normal folder.

What is the difference between the ATZ-1820P and ATZ-1820G? Materials and lock. The ATZ-1820P runs D2 at HRC 59–61 with a G10 or carbon fiber handle and a liner lock, at $69.99. The ATZ-1820G runs S35VN at HRC 60–62 with a titanium handle and a frame lock, at $199.99–$212.87. Blade length (roughly 3.85") and overall length (roughly 8.85") are nearly identical.

How much does the Proponent weigh? The full-size versions weigh 9.5 oz (270 g) in D2 and 10.58–10.9 oz (300–310 g) in titanium. The compact ATZ-1820GS and GSD versions weigh 6 oz (170 g) each.

Is D2 a good steel for a large folder? Yes, with caveats. D2 holds an edge well and has enough toughness to support a thick flat grind, which suits a heavy-use folder. It has less corrosion resistance than S35VN or 14C28N, so it needs a dry pocket and occasional oiling. If low maintenance matters more than price, the S35VN titanium version is the better answer.

What is a Wharncliffe blade good for? Straight pull cuts, slicing flat stock, and controlled tip work. The straight edge maintains a consistent cutting angle to the tip, which makes long cuts predictable, and the pattern is easy to sharpen because there is no belly to follow. It is less suited to roll-cutting tasks and to scraping or prying than a drop point or a tanto.