Comparison Console
Zero Tolerance 0230 vs Zero Tolerance 0640BLK
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Zero Tolerance 0230 stands out as the lightest option for weight, with about a 59% gap from the closest alternative. Zero Tolerance 0230 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 0230 stands out as the cheapest option for retail price, with about a 27% gap from the closest alternative.
Zero Tolerance 0640BLK stands out as the most expensive option for retail price, with about a 37% gap from the closest alternative.
Zero Tolerance 0230 stands out as the lightest option for weight, with about a 59% gap from the closest alternative.
Zero Tolerance 0640BLK stands out as the heaviest option for weight, with about a 145% gap from the closest alternative.
Zero Tolerance 0230 stands out as the shortest option for closed length, with about a 22% gap from the closest alternative.
Zero Tolerance 0640BLK stands out as the longest option for closed length, with about a 29% gap from the closest alternative.
Zero Tolerance 0230 stands out as the shortest option for blade length, with about a 31% gap from the closest alternative.
Zero Tolerance 0640BLK stands out as the longest option for blade length, with about a 44% 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$255Cheapest
US$350Most expensive
Weight
51 g (1.80 oz)Lightest
124.7 g (4.40 oz)Heaviest
Dimensions
Blade length
66 mm (2.60 in)Shortest
95 mm (3.74 in)Longest
Overall length
157 mm (6.18 in)Shortest
216 mm (8.50 in)Longest
Closed length
94 mm (3.70 in)Shortest
121 mm (4.76 in)Longest
Blade thickness
3.1 mm (0.12 in)Thinnest
4 mm (0.16 in)Thickest
Materials & mechanism
Blade steel
CPM 20CV
CPM 20CV
Handle material
Carbon Fiber
Carbon Fiber & Titanium
Finish
Stonewashed finish
DLC
Lock type
Slipjoint
Frame Lock
Opening method
Manual washers, nail nick
Unknown
Clip type
No clip or reversible extra-deep-carry pocket clip
Right or left hand, tip up
Use case profile
Best for
Everyday carryWork useAreas with restrictive knife lawsNon-locking knife enthusiasts
Everyday carry (EDC)Tactical useCollectors
Not best for
Heavy duty lock-requiring tasks
Unknown
Common praise
Exceptional hardness and wear resistance of CPM 20CV blade steelLightweight carbon fiber handleDouble detent system for safe carrying and controlled open/closeStonewashed finish helps hide scratchesBlue anodized aluminum backspacer with integrated lanyard hole
High-quality build and materialsExcellent blade steel (CPM 20CV)Lightweight despite sturdy constructionGood ergonomics and designReliable frame lock mechanism
Common complaints
Older models lacked pocket clip
Discontinued hence harder to find newRelatively high price point compared to some alternatives
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