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Comparison Console

CRKT Tuna vs Zero Tolerance 0551

EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.

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Command Brief

Recommended read

CRKT Tuna stands out as the lightest option for weight, with about a 35% gap from the closest alternative. CRKT Tuna stands out as the cheapest option for retail price, with about a 75% gap from the closest alternative.

Decision Signals

What stands out

Cheapest

CRKT Tuna stands out as the cheapest option for retail price, with about a 75% gap from the closest alternative.

Most expensive

Zero Tolerance 0551 stands out as the most expensive option for retail price, with about a 293% gap from the closest alternative.

Lightest

CRKT Tuna stands out as the lightest option for weight, with about a 35% gap from the closest alternative.

Heaviest

Zero Tolerance 0551 stands out as the heaviest option for weight, with about a 54% gap from the closest alternative.

Shortest

CRKT Tuna stands out as the shortest option for closed length, with about a 3% gap from the closest alternative.

Longest

Zero Tolerance 0551 stands out as the longest option for closed length, with about a 3% gap from the closest alternative.

Shortest

CRKT Tuna stands out as the shortest option for blade length, with about a 8% gap from the closest alternative.

Longest

Zero Tolerance 0551 stands out as the longest option for blade length, with about a 9% 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.

CRKT Tuna — Blade length: 82 mm (3.23 in)CRKT Tuna — Overall length: 195 mm (7.68 in)CRKT Tuna — Closed length: 114 mm (4.49 in)CRKT Tuna — Weight: 105 g (3.70 oz)CRKT Tuna — Retail price: US$69.99Zero Tolerance 0551 — Blade length: 89 mm (3.50 in)Zero Tolerance 0551 — Overall length: 206 mm (8.11 in)Zero Tolerance 0551 — Closed length: 117 mm (4.61 in)Zero Tolerance 0551 — Weight: 162 g (5.71 oz)Zero Tolerance 0551 — Retail price: US$275Blade lengthOverall lengthClosed lengthWeightRetail price
Price & carry
Retail price
US$69.99Cheapest
US$275Most expensive
Weight
105 g (3.70 oz)Lightest
162 g (5.71 oz)Heaviest
Dimensions
Blade length
82 mm (3.23 in)Shortest
89 mm (3.50 in)Longest
Overall length
195 mm (7.68 in)Shortest
206 mm (8.11 in)Longest
Closed length
114 mm (4.49 in)Shortest
117 mm (4.61 in)Longest
Blade thickness
3.8 mm (0.15 in)
Unknown
Materials & mechanism
Blade steel
8Cr14MoV stainless steel
Elmax
Handle material
G10 and stainless steel
Titanium & G-10
Finish
Black stonewash on blade, stonewash finish on handle steel scale
Stonewashed
Lock type
Frame lock
Frame lock
Opening method
Thumb Stud
Thumb Stud
Clip type
Tip-up pocket clip, right side
Pocket clip (tip-up, reversible for left/right, tip-up or tip-down carry)
Use case profile
Best for
Everyday carry (EDC)General useHeavy duty tasks
Everyday carry (EDC)Hard use knifeTactical situations
Not best for
Unknown
Unknown
Common praise
Rugged and tested locking systemClean and essential linesCompact and lightweightGood grip and durabilityReliable performanceSmooth deployment after break-in
High quality fit and finishVery strong and durable steel (Elmax) bladeRobust titanium frame lockErgonomic handle with textured G-10 scaleAmbidextrous thumb studs for easy openingReversible pocket clip for varied carry optionsBlade is sharp and holds edge wellKnife is sturdy and solid, suitable for heavy use
Common complaints
Blade not very sharp out of the boxInitially stiff action requiring break-in
Relatively heavy at 162 grams, which might not suit all usersPrice is on the higher end for folding knives

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