Comparison Console
CRKT M21-14SF vs CRKT Seismic
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
CRKT M21-14SF stands out as the lightest option for weight, with about a 10% gap from the closest alternative. CRKT M21-14SF stands out as the cheapest option for retail price, with about a 27% gap from the closest alternative.
Decision Signals
What stands out
CRKT M21-14SF stands out as the cheapest option for retail price, with about a 27% gap from the closest alternative.
CRKT Seismic stands out as the most expensive option for retail price, with about a 36% gap from the closest alternative.
CRKT M21-14SF stands out as the lightest option for weight, with about a 10% gap from the closest alternative.
CRKT Seismic stands out as the heaviest option for weight, with about a 11% gap from the closest alternative.
CRKT M21-14SF stands out as the shortest option for closed length, with about a 1% gap from the closest alternative.
CRKT Seismic stands out as the longest option for closed length, with about a 1% gap from the closest alternative.
CRKT Seismic stands out as the shortest option for blade length.
CRKT M21-14SF stands out as the longest option for blade length.
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$110Cheapest
US$150Most expensive
Weight
161.59 g (5.70 oz)Lightest
180 g (6.35 oz)Heaviest
Dimensions
Blade length
101.35 mm (3.99 in)Longest
101 mm (3.98 in)Shortest
Overall length
234.95 mm (9.25 in)Shortest
239 mm (9.41 in)Longest
Closed length
136.53 mm (5.38 in)Shortest
138 mm (5.43 in)Longest
Blade thickness
3.56 mm (0.14 in)Thinnest
3.7 mm (0.15 in)Thickest
Materials & mechanism
Blade steel
AUS 8
1.4116 stainless steel
Handle material
Aluminum
G-10 Laminate
Finish
Titanium Nitride
Satin or black powder-coated (variants)
Lock type
Liner Lock
Deadbolt lock
Opening method
Flipper
Flipper or dual thumb studs with IKBS ball bearing system
Clip type
Reversible Pocket Clip
Tip-up, reversible for right/left carry
Use case profile
Best for
Tactical useEveryday carryUtility cutting
Everyday carryEDC
Not best for
Unknown
Unknown
Common praise
Strong and lightweight aluminum handleEffective triple point serrations for cutting fibrous materialsSecure liner lock with automated safetyGood blade strength due to spear point design
Smooth blade deployment via flipper and IKBS ball bearing pivotRock solid Deadbolt locking systemWell balanced and comfortable G10 handlePartially serrated option availableLegal blade length in areas restricting blades longer than 4 inches
Common complaints
Unknown
Discontinued model no longer widely available
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