These items share the case's "Rare Special" probability pool. Each case opening has approximately a 0.26% chance to drop one of these.
★ Bowie Knife | Marble Fade Covert 
★ Bowie Knife | Tiger Tooth Covert 
★ Bowie Knife | Doppler Covert 
★ Bowie Knife | Doppler Covert 
★ Bowie Knife | Doppler Covert 
★ Bowie Knife | Doppler Covert 
★ Bowie Knife | Doppler Covert 
★ Bowie Knife | Doppler Covert 
★ Bowie Knife | Doppler Covert 
★ Bowie Knife | Damascus Steel Covert 
★ Bowie Knife | Ultraviolet Covert 
★ Bowie Knife | Rust Coat Covert 
★ Butterfly Knife | Marble Fade Covert 
★ Butterfly Knife | Tiger Tooth Covert 
★ Butterfly Knife | Doppler Covert 
★ Butterfly Knife | Doppler Covert 
★ Butterfly Knife | Doppler Covert 
★ Butterfly Knife | Doppler Covert 
★ Butterfly Knife | Doppler Covert 
★ Butterfly Knife | Doppler Covert 
★ Butterfly Knife | Doppler Covert 
★ Butterfly Knife | Damascus Steel Covert 
★ Butterfly Knife | Ultraviolet Covert 
★ Butterfly Knife | Rust Coat Covert 
★ Falchion Knife | Marble Fade Covert 
★ Falchion Knife | Tiger Tooth Covert 
★ Falchion Knife | Doppler Covert 
★ Falchion Knife | Doppler Covert 
★ Falchion Knife | Doppler Covert 
★ Falchion Knife | Doppler Covert 
★ Falchion Knife | Doppler Covert 
★ Falchion Knife | Doppler Covert 
★ Falchion Knife | Doppler Covert 
★ Falchion Knife | Damascus Steel Covert 
★ Falchion Knife | Ultraviolet Covert 
★ Falchion Knife | Rust Coat Covert 
★ Huntsman Knife | Marble Fade Covert 
★ Huntsman Knife | Tiger Tooth Covert 
★ Huntsman Knife | Doppler Covert 
★ Huntsman Knife | Doppler Covert 
★ Huntsman Knife | Doppler Covert 
★ Huntsman Knife | Doppler Covert 
★ Huntsman Knife | Doppler Covert 
★ Huntsman Knife | Doppler Covert 
★ Huntsman Knife | Doppler Covert 
★ Huntsman Knife | Damascus Steel Covert 
★ Huntsman Knife | Ultraviolet Covert 
★ Huntsman Knife | Rust Coat Covert 
★ Shadow Daggers | Marble Fade Covert 
★ Shadow Daggers | Tiger Tooth Covert 
★ Shadow Daggers | Doppler Covert 
★ Shadow Daggers | Doppler Covert 
★ Shadow Daggers | Doppler Covert 
★ Shadow Daggers | Doppler Covert 
★ Shadow Daggers | Doppler Covert 
★ Shadow Daggers | Doppler Covert 
★ Shadow Daggers | Doppler Covert 
★ Shadow Daggers | Damascus Steel Covert 
★ Shadow Daggers | Ultraviolet Covert 
★ Shadow Daggers | Rust Coat Covert All 17 standard items in this case, grouped by rarity. Drop rates per Valve's official probability disclosure.
To open the Spectrum Case, you need one Spectrum Case (free in-game drop or from the Steam Community Market) plus one CS2/CS:GO Case Key, which costs $2.49 USD on the Steam Marketplace. Right-click the case in your inventory and select "Open Container."
Drop rates per Valve's mandatory probability disclosure: Mil-Spec Grade ~79.92%, Restricted ~15.98%, Classified ~3.20%, Covert ~0.64%, Rare Special (★ Bowie Knife | Marble Fade, ★ Bowie Knife | Tiger Tooth, ★ Bowie Knife | Doppler, ...) ~0.26%. Each drop also has roughly a 10% chance to be StatTrak™ on eligible skins.
The Spectrum Case rare special pool contains 60 items: ★ Bowie Knife | Marble Fade, ★ Bowie Knife | Tiger Tooth, ★ Bowie Knife | Doppler, ★ Bowie Knife | Doppler, ★ Bowie Knife | Doppler, ★ Bowie Knife | Doppler, ★ Bowie Knife | Doppler, ★ Bowie Knife | Doppler, ★ Bowie Knife | Doppler, ★ Bowie Knife | Damascus Steel, ★ Bowie Knife | Ultraviolet, ★ Bowie Knife | Rust Coat, ★ Butterfly Knife | Marble Fade, ★ Butterfly Knife | Tiger Tooth, ★ Butterfly Knife | Doppler, ★ Butterfly Knife | Doppler, ★ Butterfly Knife | Doppler, ★ Butterfly Knife | Doppler, ★ Butterfly Knife | Doppler, ★ Butterfly Knife | Doppler, ★ Butterfly Knife | Doppler, ★ Butterfly Knife | Damascus Steel, ★ Butterfly Knife | Ultraviolet, ★ Butterfly Knife | Rust Coat, ★ Falchion Knife | Marble Fade, ★ Falchion Knife | Tiger Tooth, ★ Falchion Knife | Doppler, ★ Falchion Knife | Doppler, ★ Falchion Knife | Doppler, ★ Falchion Knife | Doppler, ★ Falchion Knife | Doppler, ★ Falchion Knife | Doppler, ★ Falchion Knife | Doppler, ★ Falchion Knife | Damascus Steel, ★ Falchion Knife | Ultraviolet, ★ Falchion Knife | Rust Coat, ★ Huntsman Knife | Marble Fade, ★ Huntsman Knife | Tiger Tooth, ★ Huntsman Knife | Doppler, ★ Huntsman Knife | Doppler, ★ Huntsman Knife | Doppler, ★ Huntsman Knife | Doppler, ★ Huntsman Knife | Doppler, ★ Huntsman Knife | Doppler, ★ Huntsman Knife | Doppler, ★ Huntsman Knife | Damascus Steel, ★ Huntsman Knife | Ultraviolet, ★ Huntsman Knife | Rust Coat, ★ Shadow Daggers | Marble Fade, ★ Shadow Daggers | Tiger Tooth, ★ Shadow Daggers | Doppler, ★ Shadow Daggers | Doppler, ★ Shadow Daggers | Doppler, ★ Shadow Daggers | Doppler, ★ Shadow Daggers | Doppler, ★ Shadow Daggers | Doppler, ★ Shadow Daggers | Doppler, ★ Shadow Daggers | Damascus Steel, ★ Shadow Daggers | Ultraviolet, ★ Shadow Daggers | Rust Coat. The combined drop probability for any item from this pool is approximately 0.26% per case opening.
