Comparison Console
CIVIVI Wyvern vs CRKT M21-04G
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
CIVIVI Wyvern stands out as the lightest option for weight, with about a 53% gap from the closest alternative. CIVIVI Wyvern stands out as the cheapest option for retail price, with about a 30% gap from the closest alternative.
Decision Signals
What stands out
CIVIVI Wyvern stands out as the cheapest option for retail price, with about a 30% gap from the closest alternative.
CRKT M21-04G stands out as the most expensive option for retail price, with about a 43% gap from the closest alternative.
CIVIVI Wyvern stands out as the lightest option for weight, with about a 53% gap from the closest alternative.
CRKT M21-04G stands out as the heaviest option for weight, with about a 113% gap from the closest alternative.
CIVIVI Wyvern 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 20% gap from the closest alternative.
CIVIVI Wyvern stands out as the shortest option for blade length, with about a 13% gap from the closest alternative.
CRKT M21-04G stands out as the longest option for blade length, with about a 15% 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$58Cheapest
US$83Most expensive
Weight
85 g (3.00 oz)Lightest
181.44 g (6.40 oz)Heaviest
Dimensions
Blade length
88 mm (3.46 in)Shortest
101.02 mm (3.98 in)Longest
Overall length
201 mm (7.91 in)Shortest
236.55 mm (9.31 in)Longest
Closed length
113 mm (4.45 in)Shortest
135.53 mm (5.34 in)Longest
Blade thickness
3 mm (0.12 in)Thinnest
3.53 mm (0.14 in)Thickest
Materials & mechanism
Blade steel
D2
1.4116 stainless steel
Handle material
Fiber-glass Reinforced Nylon
G-10 Laminate
Finish
Black Stonewashed or Satin
Corrosion resistant coating
Lock type
Liner Lock
Liner Lock
Opening method
Flipper
Flipper
Clip type
6AL4V Titanium Tip-Up, Right Carry
Unknown
Use case profile
Best for
EDC KnivesCamping KnivesHunting KnivesTactical Knives
Everyday carryTactical useOutdoor tasks
Not best for
Unknown
Unknown
Common praise
Smooth operation with caged ceramic ball bearing pivotGood edge retention from D2 steelLightweight and comfortable FRN handleAffordable quality EDC knife
Exceptional grip due to G10 handleFast and safe opening with flipper and liner lockHigh quality construction at a reasonable price
Common complaints
D2 steel is not stainless and requires maintenance to prevent rustFRN handle may feel less premium compared to other materialsLiner lock less robust than frame locks for heavy use
Unknown
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