Comparison Console
Zero Tolerance 0456 vs Zero Tolerance 0566
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Zero Tolerance 0566 stands out as the lightest option for weight, with about a 20% gap from the closest alternative. Zero Tolerance 0566 stands out as the cheapest option for retail price, with about a 38% 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 38% gap from the closest alternative.
Zero Tolerance 0456 stands out as the most expensive option for retail price, with about a 63% gap from the closest alternative.
Zero Tolerance 0566 stands out as the lightest option for weight, with about a 20% gap from the closest alternative.
Zero Tolerance 0456 stands out as the heaviest option for weight, with about a 24% gap from the closest alternative.
Zero Tolerance 0566 stands out as the shortest option for closed length, with about a 1% gap from the closest alternative.
Zero Tolerance 0456 stands out as the longest option for closed length, with about a 1% gap from the closest alternative.
Zero Tolerance 0456 stands out as the thinnest option for blade thickness.
Zero Tolerance 0566 stands out as the thickest option for blade thickness.
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$325Most expensive
US$200Cheapest
Weight
187.1 g (6.60 oz)Heaviest
150.3 g (5.30 oz)Lightest
Dimensions
Blade length
83 mm (3.27 in)
83 mm (3.27 in)
Overall length
196 mm (7.72 in)
196 mm (7.72 in)
Closed length
114 mm (4.49 in)Longest
113 mm (4.45 in)Shortest
Blade thickness
3.95 mm (0.16 in)Thinnest
3.96 mm (0.16 in)Thickest
Materials & mechanism
Blade steel
CTS-204P (formerly listed as CPM-20CV)
CPM S35VN
Handle material
Titanium
Textured G10 front, stainless steel back
Finish
Two-tone finish: stonewashed on flats, satin on grinds
Stonewashed
Lock type
Titanium frame lock with hardened steel lockbar insert
Frame lock
Opening method
Flipper with KVT ball-bearing system
SpeedSafe assisted opening system (flipper, thumb stud)
Clip type
Reversible clip (left/right, tip-up)
Deep-carry quad-mount clip (tip-up/tip-down, left/right)
Use case profile
Best for
Everyday carryUtility cutting tasksCollectors
Everyday carry (EDC)Heavy duty useAmbidextrous carry
Not best for
Unknown
Unknown
Common praise
Smooth and quick actionExcellent cutting and edge retentionHigh-quality materials and finishSolid and durable buildAttractive design with blue hardware accents
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
Unknown
Heavier compared to titanium framed alternativesSome users find assisted opening aggressiveInitial lock stick that can go away with use
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