Under $100, a folding knife stops being a gamble. Steels with real edge retention show up at this price, locks get interesting, and weights drop into the range where a knife rides in a pocket all day without announcing itself. Six folders clear that bar here, and each one clears it a different way.
Two of the six land under $55. The priciest stops a dollar short of the cap. What separates them is lock design, blade shape, and how much knife you actually want in a pocket.
Every pick runs a different lock. That’s deliberate.
- Cheapest pick: Ontario RAT Model II in D2 at $49.93
- The lock story: Demko Shark-Cub and its spine-mounted Shark Lock at $89.99
- Most blade for the money: Spyderco Tenacious Lightweight, 3.39 inches at $52.30
- The design pick: Boker Plus Mini Sanjo, a Guy Poggetti front flipper at $93.46
The six picks side by side
| Pick | Steel | Lock | Price |
|---|---|---|---|
| Demko Shark-Cub | AUS-10A | Shark Lock | $89.99 |
| CIVIVI Elementum II | Nitro-V | Button lock | $65.00 |
| Spyderco Tenacious Lightweight | 8Cr13MoV | Liner lock | $52.30 |
| Ontario RAT Model II | D2 | Liner lock | $49.93 |
| Boker Plus Mini Sanjo | 14C28N | Liner lock | $93.46 |
| AUX MFG Coffin Bowie | 19C27 | Crossbar lock | $99.00 |
Sizes and weights
| Pick | Blade | Overall | Weight |
|---|---|---|---|
| Demko Shark-Cub | 2.75 in | 6.875 in | 2.89 oz |
| CIVIVI Elementum II | 2.96 in | 7.06 in | 3.12 oz |
| Spyderco Tenacious Lightweight | 3.39 in | 7.77 in | 3.7 oz |
| Ontario RAT Model II | 3.0 in | 7.0 in | 2.75 oz |
| Boker Plus Mini Sanjo | 3.03 in | 6.89 in | 3.39 oz |
| AUX MFG Coffin Bowie | 2.875 in | n/a | n/a |
1: Demko Shark-Cub, a lock worth paying for
Andrew Demko built his name on locks, and the Shark-Cub carries the family mechanism into a 2.89-ounce folder. A fin lever rides the spine. Pull it back and the blade frees up for opening or closing, one-handed either way, with your fingers nowhere near the edge path. Closing works the same way, thumbless and quick.
Steel is AUS-10A, stainless and quick to bring back on a stone. The 2.75-inch blade on this variant runs Demko’s Slicer Shark grind, flat and thin behind the edge, and the black Grivory handle keeps the whole knife at 6.875 inches open. It’s the compact sibling of the AD20.5, sized for a pocket instead of a belt.
Deep-carry clip, tip-up, swappable left or right. Bearings at the pivot. Nothing here feels budget except the number on the box.
Expect to fidget with the fin at your desk.
Demko Shark-Cub
2.75-inch AUS-10A blade · Shark Lock · 2.89 oz
Price: $89.99
Where to buy: Buy at KnifeCenter
2: CIVIVI Elementum II, the button lock cleaned up
CIVIVI sells more Elementums than anyone can count, and the second generation earns its place here on one change: a button lock paired with the flipper tab. Push the button, swing the blade shut. No liner to reach past, no edge to dodge.
Nitro-V is the right steel call at $65.00. It’s a nitrogen stainless that holds a working edge and sharpens without a fight. The 2.96-inch drop point runs a hollow grind, thin and slicey, and the G10 handle lands the knife at 3.12 ounces.
Our routed listing wears OD green G10 with a black blade. Closed length is 4.11 inches, so it disappears into a fifth pocket if your jeans still have one.
CIVIVI Elementum II
Nitro-V drop point · Button lock · G10 handle
Price: $65.00
Where to buy: Buy on Amazon
3: Spyderco Tenacious Lightweight, the most blade here
At 3.39 inches, this blade outruns everything else in the guide. Spyderco’s Value Folder recipe hasn’t changed in years because it works: a full-flat grind that slices clean, a round hole your thumb finds without looking, and a four-position clip that sets up any carry you run.
FRN scales with Spyderco’s Bi-Directional Texturing pull the weight to 3.7 ounces, light for a knife that opens to 7.77 inches. Steel is 8Cr13MoV, the softest alloy in this set, and it will need a stone more often than the Nitro-V or D2 picks, especially if your week runs heavy on cardboard and zip ties. That’s the trade, stated plainly.
You’re buying blade length and ergonomics here, not steel bragging rights. For a glovebox, a pack, or a first real folder, that trade lands fine.
Spyderco Tenacious Lightweight
3.39-inch 8Cr13MoV blade with a full-flat grind · FRN handle · Four-position clip
Price: $52.30
Where to buy: Buy on Amazon
4: Ontario RAT Model II, D2 under fifty dollars
Jeff Randall designed the RAT line for his adventure training school, and the Model II shrinks the formula to a 3-inch blade and 7 inches open. Working knives, both of them, built to be used hard and replaced cheap if you ever manage to kill one. D2 is the version to buy, and at $49.93 it’s the cheapest pick in this guide.
D2 holds an edge like a tool steel because it’s one. It’s not stainless, so a drop of oil on the pivot and a dry wipe after wet work keep it clean. Dual thumb studs and a liner lock keep opening simple, and the clip moves to all four corners.
Weight is 2.75 ounces on nylon scales, light enough to forget in a pocket all day. Nothing squeaks, nothing rattles, and the design has been proving itself in pockets for over a decade.
It’s the value anchor of this guide.
Ontario RAT Model II
D2 tool steel, satin drop point · Dual thumb studs · 2.75 oz
Price: $49.93
Where to buy: Buy on Amazon
5: Boker Plus Mini Sanjo, the gentleman folder of the six
Guy Poggetti named this one for Sanjo, the Niigata metalworking city: a stonewashed tanto with clean, graphic geometry and nothing decorative hanging off it. This Mini shrinks the original Sanjo to a 3.03-inch blade and swaps VG-10 for 14C28N.
14C28N is a Swedish stainless that sharpens fast and shrugs off pocket moisture, a sensible swap at this price. A ridged front flipper on ball bearings fires the blade, a liner lock holds it, and black Micarta scales keep grip secure when your hands are damp.
Open length is 6.89 inches and weight is 3.39 ounces. Desk drawer, blazer pocket, Sunday carry. This is the one that fits those slots.
Boker Plus Mini Sanjo
14C28N stonewashed tanto · Front flipper on ball bearings · Black Micarta scales · Guy Poggetti design
Price: $93.46 $109.95 (save $16.49, 15% off)
Where to buy: Buy at KnifeCenter
6: AUX MFG Coffin Bowie, a Bowie that fits a pocket
Mike Jarvis took the oldest handle outline in American knifemaking, the coffin shape James Black was forging in the 1830s, and wrapped it around a modern crossbar-lock folder. The result reads like a Bowie that shrank in the wash, on purpose.
The routed variant runs a 2.875-inch Bowie blade in 19C27 with a black PVD coat, shown in the hero up top. Crossbar locks work from either side, so left-handed carriers get the same one-hand close as everyone else. Micarta scales, Miguron production, and a price that stops at $99.00 even.
Character is the pitch here. Every other pick in this guide disappears into a pocket; this one gets asked about.
AUX MFG Coffin Bowie Crossbar Lock
2.875-inch 19C27 Bowie blade with black PVD · Crossbar lock · Mike Jarvis design, Miguron production
Price: $99.00
Where to buy: Buy at KnifeCenter
More frames from the set
Which one goes in your pocket
Buy the RAT Model II if the budget is the whole story. D2 at $49.93 is the strongest price-to-edge number here, and the knife shrugs off work that would embarrass prettier folders.
Buy the Elementum II if you want the easiest daily carry, and the Tenacious Lightweight if your hands run large or your cutting runs long.
Lock nerds get the Shark-Cub. Blazer pockets get the Mini Sanjo, and the Coffin Bowie goes to the carrier who is bored with rectangles.
Every knife here stays under the cap with room to spare except the AUX, and that one stops exactly at $99.00, a dollar under the line. Pick by lock and blade shape first. Steel snobbery can wait for the next hundred.
