★ Stiletto Knife | Doppler Phase 4 (Factory New)

The ★ Stiletto Knife | Doppler Phase 4 (Factory New, FN) is a Covert ★ knife finish, a mostly blue marbled pattern set over a black base. Factory New is the lowest-float grade this phase reaches, and that blue marbling shows at its most vivid right here. Most players just call it the stiletto doppler phase 4 — or simply the stiletto phase 4.

Design

Phase 4 is one of Doppler's most saturated numbered looks — blue marbling spreads across a black base in swirling patterns that vary from copy to copy. It carries the flavor line "Getting lost in its color can prove fatal," a fitting match for a finish built entirely around one dominant, striking hue.

★ Stiletto Knife | Doppler Phase 4 (Factory New) Float and Wear

With Doppler capped between 0.00 and 0.08, Factory New and Minimal Wear (MW) are the only two grades this phase reaches — it never wears past a near-mint look. Factory New sits at the very bottom of that band, keeping the blue marbling crisp and the black base clean. In numeric terms, that's a 0.00–0.07 float range.

Stiletto Knife | Doppler Phase 4 Rarity

Rarity: Covert ★, the rare special ("knife") slot that outranks every ordinary weapon grade a case can produce. Getting one at all is the scarce outcome, well before wear grade factors in.

Stiletto Knife | Doppler Phase 4 Case and Collection

Phase 4 isn't tied to a single collection — it can be pulled from either the Prisma Case or the Prisma 2 Case. The rare-special ("knife") tier lands around 0.26% per opening across the board, so most buyers pick this finish up on the market instead.

Stiletto Knife Doppler Phases

Phase 4 is one of the four numbered Doppler phases, sitting below the gem trio of Ruby, Sapphire, and Black Pearl in rarity and price. Within the numbered group, though, Phase 4's blue is one of the two most sought-after looks, alongside Phase 2's pink, putting it a cut above Phase 1 and Phase 3 in demand. The phase is fixed per copy and never shifts with wear.

StatTrak & Souvenir

A StatTrak™ version of this knife exists, tracking confirmed kills permanently and carrying that count through every trade or sale. There's no Souvenir version — knives are never part of Major-tournament souvenir packages, regardless of case or phase.

Stiletto Knife | Doppler Phase 4 Price

Factory New leads Phase 4's own price ladder over Minimal Wear, and as one of the more sought-after numbered phases it trades in a thin, high-end market alongside this knife's rarer finishes. It's available to buy on Skin.Land with instant delivery and no hidden fees. Prices for the phase 4 stiletto track the exterior, the float and whether the copy carries StatTrak™, so check the live number on this page.

FAQ

Why is Doppler Phase 4 more popular than Phase 1 or Phase 3?

Among the four numbered Doppler phases, buyers favor the most saturated looks, and Phase 4's blue marbling is one of the two most sought-after, alongside Phase 2's pink. That extra demand puts it a step ahead of Phase 1 and Phase 3, even though all four sit below the gem-phase tier.

What case is the Stiletto Knife Doppler Phase 4 in?

It drops from either the Prisma Case or the Prisma 2 Case, with no case exclusive to this phase. Because the rare-special tier only lands around 0.26% of openings, most collectors buy the finish outright instead of chasing it through cases.

What are the best gloves for the Stiletto Knife | Doppler Phase 4?

Since Phase 4 runs heavy on blue over black, gloves in matching blue or cool-toned finishes tie the whole loadout together. A black or gray neutral pair works well too if you'd rather let the blade's marbling stay the focal point. For the best Stiletto Knife Doppler Phase 4 glove combo, lean into that blue rather than pairing it with warm colors.