What's in the Spectrum Case?
The Spectrum Case contains 17 skins: two Covert, three Classified, five Restricted and seven Mil-Spec. It also contains 30 rare special knives: the Bowie Knife, Butterfly Knife, Falchion Knife, Huntsman Knife and Shadow Daggers, each in the six Chroma finishes. Every skin can also drop as StatTrak™.
Covert · 2
0.64% per opening for the tier, about 0.32% for each skin
Classified · 3
3.20% per opening for the tier, about 1.0667% for each skin
Restricted · 5
15.98% per opening for the tier, about 3.196% for each skin
Mil-Spec · 7
79.92% per opening for the tier, about 11.4171% for each skin
P250
Ripple

ST
from $0.35
11.4171% · 1 in 9
MP7
Akoben

ST
from $0.34
11.4171% · 1 in 9
SCAR-20
Blueprint

ST
from $0.31
11.4171% · 1 in 9
Five-SeveN
Capillary

ST
from $0.29
11.4171% · 1 in 9
Sawed-Off
Zander

ST
from $0.28
11.4171% · 1 in 9
PP-Bizon
Jungle Slipstream

ST
from $0.27
11.4171% · 1 in 9
Desert Eagle
Oxide Blaze

ST
No live listing
11.4171% · 1 in 9
These skins form The Spectrum Collection.
Spectrum Case knives
The case drops five knife types, each in six finishes, for 30 possible knives. The cheapest is a Shadow Daggers | Rust Coat at $35.73, and the top listing is a Butterfly Knife | Doppler Black Pearl.
Spectrum Case odds
Every opening gives a Mil-Spec skin 79.92% of the time, Restricted 15.98%, Classified 3.20%, Covert 0.64% and a knife 0.26%. So the AK-47 | Bloodsport drops in about 1 in 313 openings and any single knife type in about 1 in 1,923.
| Rarity | Tier odds | Items in tier | Odds per item | 1 in | Cheapest in tier |
|---|---|---|---|---|---|
| Mil-Spec | 79.92% | 7 | 11.4171% | 9 | $0.27 |
| Restricted | 15.98% | 5 | 3.196% | 31 | $1.11 |
| Classified | 3.20% | 3 | 1.0667% | 94 | $10.60 |
| Covert | 0.64% | 2 | 0.32% | 313 | $91.31 |
| ★ Knife | 0.26% | 30 | 0.0087% | 11,538 | $35.73 |
Tier odds are Valve's published rates. Odds per item assume equal weighting within a tier, which Valve hasn't confirmed. 1 in 10 drops is StatTrak™.
About the Spectrum Case
The Spectrum Case is a weapon case released in March 2017, with 17 skins and 30 rare special knives. Opening it needs a $2.49 key from the in-game store.
Its skins form The Spectrum Collection. Trade-ups within that collection stay inside these 17 skins and, since 2025, can reach its knives.
- Released
- March 2017
- Skins
- 17
- Knives
- 30
- Key needed
- Yes
- StatTrak™
- Yes
- Weekly drop pool
- No










