Comparison Console
Kershaw Atmos vs Spyderco UK Penknife
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Kershaw Atmos stands out as the lightest option for weight, with about a 14% gap from the closest alternative. Kershaw Atmos stands out as the cheapest option for retail price, with about a 53% gap from the closest alternative.
Decision Signals
What stands out
Kershaw Atmos stands out as the cheapest option for retail price, with about a 53% gap from the closest alternative.
Spyderco UK Penknife stands out as the most expensive option for retail price, with about a 114% gap from the closest alternative.
Kershaw Atmos stands out as the lightest option for weight, with about a 14% gap from the closest alternative.
Spyderco UK Penknife stands out as the heaviest option for weight, with about a 17% gap from the closest alternative.
Spyderco UK Penknife stands out as the shortest option for closed length, with about a 2% gap from the closest alternative.
Kershaw Atmos stands out as the longest option for closed length, with about a 2% gap from the closest alternative.
Spyderco UK Penknife stands out as the shortest option for blade length, with about a 1% gap from the closest alternative.
Kershaw Atmos stands out as the longest option for blade length, with about a 1% gap from the closest alternative.
Specification Profile
Relative dimensions at a glance
Each axis is normalized against the largest raw value among the products in this comparison. Farther outward means a larger value, not necessarily a better result. Axes with an unverified value are omitted.
Price & carry
Retail price
US$63Cheapest
US$135Most expensive
Weight
54 g (1.90 oz)Lightest
63 g (2.22 oz)Heaviest
Dimensions
Blade length
76 mm (2.99 in)Longest
75 mm (2.95 in)Shortest
Overall length
175 mm (6.89 in)
175 mm (6.89 in)
Closed length
102 mm (4.02 in)Longest
100 mm (3.94 in)Shortest
Blade thickness
2.6 mm (0.10 in)Thickest
2.5 mm (0.10 in)Thinnest
Materials & mechanism
Blade steel
8Cr13MoV
CPM SPY27 stainless steel
Handle material
G10 with carbon fiber overlay
G-10 Laminate
Finish
Satin blade finish
Satin-finished blade
Lock type
Inset liner lock
SlipIt (non-locking)
Opening method
Manual KVT ball-bearing flipper
One-handed opening via Spyderco Trademark Round Hole
Clip type
Reversible deep-carry (right/left, tip-up)
Deep-pocket wire clip, reversible for ambidextrous tip-up carry
Use case profile
Best for
Everyday carryLightweight pocketknifeOffice or urban useTactical lightweight backup blade
Everyday carryEDC
Not best for
Heavy duty outdoor use without reinforcementHigh-end premium knife buyers
Locking-blade knife usersLegal jurisdictions prohibiting locking blades
Common praise
LightweightSmooth manual flipper openingComfortable G10 handle with chamfered carbon fiber edgesAffordable pricing for an enthusiast-friendly designReversible deep-carry pocket clipClean practical design
Excellent edge retention and toughness thanks to CPM SPY27 steelLightweight and durable G-10 handleConvenient reversible pocket clip for ambidextrous tip-up carrySafe, legal non-locking slipjoint design with ambidextrous one-handed opening
Common complaints
Initial production model had detent issues requiring warranty repair8Cr13MoV is an entry-level steel with moderate edge retentionNot suitable for heavy duty tactical or outdoor use
Not suitable for users preferring locking bladesLimited blade length (approximately 2.95 inches) for heavy-duty tasks
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