Comparison Console
Zero Tolerance 0055 vs Zero Tolerance 0566
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Zero Tolerance 0055 stands out as the lightest option for weight, with about a 6% gap from the closest alternative. Zero Tolerance 0566 stands out as the cheapest option for retail price, with about a 27% gap from the closest alternative.
Decision Signals
What stands out
Zero Tolerance 0566 stands out as the cheapest option for retail price, with about a 27% gap from the closest alternative.
Zero Tolerance 0055 stands out as the most expensive option for retail price, with about a 38% gap from the closest alternative.
Zero Tolerance 0055 stands out as the lightest option for weight, with about a 6% gap from the closest alternative.
Zero Tolerance 0566 stands out as the heaviest option for weight, with about a 6% gap from the closest alternative.
Zero Tolerance 0566 stands out as the shortest option for closed length, with about a 11% gap from the closest alternative.
Zero Tolerance 0055 stands out as the longest option for closed length, with about a 12% gap from the closest alternative.
Zero Tolerance 0566 stands out as the shortest option for blade length, with about a 13% gap from the closest alternative.
Zero Tolerance 0055 stands out as the longest option for blade length, with about a 14% 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$275Most expensive
US$200Cheapest
Weight
142 g (5.01 oz)Lightest
150.3 g (5.30 oz)Heaviest
Dimensions
Blade length
95 mm (3.74 in)Longest
83 mm (3.27 in)Shortest
Overall length
222 mm (8.74 in)Longest
196 mm (7.72 in)Shortest
Closed length
127 mm (5.00 in)Longest
113 mm (4.45 in)Shortest
Blade thickness
4 mm (0.16 in)Thickest
3.96 mm (0.16 in)Thinnest
Materials & mechanism
Blade steel
CPM S35VN
CPM S35VN
Handle material
Titanium
Textured G10 front, stainless steel back
Finish
Stonewash
Stonewashed
Lock type
Framelock
Frame lock
Opening method
SLT hidden flipper tab, manual open, KVT ball-bearing system
SpeedSafe assisted opening system (flipper, thumb stud)
Clip type
Left/right reversible bent titanium clip
Deep-carry quad-mount clip (tip-up/tip-down, left/right)
Use case profile
Best for
Collectors and enthusiasts looking for a unique and technically precise folding knifeEveryday Carry for users accustomed to unusual blade shapes and handling
Everyday carry (EDC)Heavy duty useAmbidextrous carry
Not best for
Users seeking a classic or highly practical drop point blade styleNovice sharpeners or those requiring an easy-to-use field knife
Unknown
Common praise
High-quality American manufacturing and materialsSmooth, precise action with the KVT ball-bearing systemUnique and striking blade and handle designDurable S35VN steel blade with good edge retention
Robust and sturdy constructionExcellent edge retention and toughness of CPM S35VN steelGood grip with textured G10 and ergonomic handleSmooth and rapid assisted openingQuad-mount deep-carry clip allows versatile carry optionsWell balanced size for EDC
Common complaints
Non-traditional blade shape with no belly can be challenging to use for some cutting tasksComplex compound grind is difficult to sharpen and maintainErgonomics may feel unusual and less comfortable for extended heavy useNot suited for users wanting a traditional or very practical pocket knife
Heavier compared to titanium framed alternativesSome users find assisted opening aggressiveInitial lock stick that can go away with use
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