★ Classic Knife | Case Hardened
The Classic Knife's distinctive construction pairs a press-fit Stellite blade edge with titanium and houses fossilized mastodon ivory in a carbon fibre pocket handle. This Covert skin from the CS20 Case receives the Case Hardened treatment, achieved through the application of wood charcoal during the hardening process, producing the characteristic mottled blue, gold, and silver surface tones. Float values span the full 0 to 1 range, and StatTrak is available.
Cheapest wear we have on this page. Pattern / float overpay is extra.
CS20 Case: (case+key) ÷ drop chance. Average, not a promise.
Covert / missing collection peers: no contract estimate.
Price History & Performance
Price by Wear
Pattern guides: Case Hardened Blue Gem
Cases & Drop Odds for ★ Classic Knife | Case Hardened
Probability of unboxing this skin per single case open, expected number of opens until you get one, and the case's expected return based on the current market value of every skin inside.
| Case | Drop Chance | Expected Opens | Open Cost | Market EV | EV vs Cost |
|---|---|---|---|---|---|
 CS20 Case | 0.0200% | 5,000 | $4.46 | $0.65 | -85.4% |
Drop chance = official rarity odds ÷ size of that rarity pool inside the case. Market EV is the probability-weighted average of every skin's lowest current listing. "EV vs Cost" compares that EV against the case + key price — negative means opening loses money on average.
Where to Buy ★ Classic Knife | Case Hardened
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