Comparison Console
CRKT M21-04G vs Kershaw Cryo II
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Kershaw Cryo II stands out as the lightest option for weight, with about a 14% gap from the closest alternative. Kershaw Cryo II stands out as the cheapest option for retail price, with about a 5% gap from the closest alternative.
Decision Signals
What stands out
Kershaw Cryo II stands out as the cheapest option for retail price, with about a 5% gap from the closest alternative.
CRKT M21-04G stands out as the most expensive option for retail price, with about a 5% gap from the closest alternative.
Kershaw Cryo II stands out as the lightest option for weight, with about a 14% gap from the closest alternative.
CRKT M21-04G stands out as the heaviest option for weight, with about a 16% gap from the closest alternative.
Kershaw Cryo II stands out as the shortest option for closed length, with about a 17% gap from the closest alternative.
CRKT M21-04G stands out as the longest option for closed length, with about a 21% gap from the closest alternative.
Kershaw Cryo II stands out as the shortest option for blade length, with about a 18% gap from the closest alternative.
CRKT M21-04G stands out as the longest option for blade length, with about a 22% 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$83Most expensive
US$79Cheapest
Weight
181.44 g (6.40 oz)Heaviest
156 g (5.50 oz)Lightest
Dimensions
Blade length
101.02 mm (3.98 in)Longest
83 mm (3.27 in)Shortest
Overall length
236.55 mm (9.31 in)Longest
197 mm (7.76 in)Shortest
Closed length
135.53 mm (5.34 in)Longest
112 mm (4.41 in)Shortest
Blade thickness
3.53 mm (0.14 in)Thickest
3 mm (0.12 in)Thinnest
Materials & mechanism
Blade steel
1.4116 stainless steel
8Cr13MoV
Handle material
G-10 Laminate
Stainless steel
Finish
Corrosion resistant coating
Titanium carbo-nitride coating on blade and handle (Gray or BlackWash)
Lock type
Liner Lock
Frame lock with lockbar stabilizer
Opening method
Flipper
SpeedSafe assisted (flipper or thumbstud)
Clip type
Unknown
4-position deep-carry (right/left; tip-up/down)
Use case profile
Best for
Everyday carryTactical useOutdoor tasks
Everyday carryWorkTactical use
Not best for
Unknown
Unknown
Common praise
Exceptional grip due to G10 handleFast and safe opening with flipper and liner lockHigh quality construction at a reasonable price
Sturdy and aesthetically pleasing designReliable frame lock with lockbar stabilizerSmooth, fast SpeedSafe assisted openingComfortable handle with secure gripDeep-carry reversible pocket clip for versatile carry
Common complaints
Unknown
Heavier weight compared to some alternatives (~156g)Some users find the factory edge out of the box less than optimalSlick blade coating may be slippery with dirty handsAssisted opening tuning less optimal for thumb stud use
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