Comparison Console
Zero Tolerance 0450 vs Zero Tolerance 0640BLK
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Zero Tolerance 0450 stands out as the lightest option for weight, with about a 34% gap from the closest alternative. Zero Tolerance 0450 stands out as the cheapest option for retail price, with about a 31% gap from the closest alternative.
Decision Signals
What stands out
Zero Tolerance 0450 stands out as the cheapest option for retail price, with about a 31% gap from the closest alternative.
Zero Tolerance 0640BLK stands out as the most expensive option for retail price, with about a 46% gap from the closest alternative.
Zero Tolerance 0450 stands out as the lightest option for weight, with about a 34% gap from the closest alternative.
Zero Tolerance 0640BLK stands out as the heaviest option for weight, with about a 52% gap from the closest alternative.
Zero Tolerance 0450 stands out as the shortest option for closed length, with about a 14% gap from the closest alternative.
Zero Tolerance 0640BLK stands out as the longest option for closed length, with about a 16% gap from the closest alternative.
Zero Tolerance 0450 stands out as the shortest option for blade length, with about a 13% gap from the closest alternative.
Zero Tolerance 0640BLK 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$240Cheapest
US$350Most expensive
Weight
82.2 g (2.90 oz)Lightest
124.7 g (4.40 oz)Heaviest
Dimensions
Blade length
82.55 mm (3.25 in)Shortest
95 mm (3.74 in)Longest
Overall length
187.96 mm (7.40 in)Shortest
216 mm (8.50 in)Longest
Closed length
104.14 mm (4.10 in)Shortest
121 mm (4.76 in)Longest
Blade thickness
3.07 mm (0.12 in)Thinnest
4 mm (0.16 in)Thickest
Materials & mechanism
Blade steel
CPM S35VN
CPM 20CV
Handle material
Titanium
Carbon Fiber & Titanium
Finish
Stonewashed and satin finish
DLC
Lock type
Titanium frame lock with hardened steel lockbar insert
Frame Lock
Opening method
Manual KVT ball-bearing flipper
Unknown
Clip type
Reversible tip-up pocket clip
Right or left hand, tip up
Use case profile
Best for
Everyday carry (EDC)Work useLight to moderate cutting tasks
Everyday carry (EDC)Tactical useCollectors
Not best for
Heavy-duty choppingSurvival bushcraft
Unknown
Common praise
Excellent build quality and fit and finishSmooth and fast KVT ball-bearing flipper openingSolid, secure frame lock with steel insertLightweight and compact designSharp out of the box, good edge retention
High-quality build and materialsExcellent blade steel (CPM 20CV)Lightweight despite sturdy constructionGood ergonomics and designReliable frame lock mechanism
Common complaints
Blade shape is somewhat narrow and less curved than preferred by someHandle may not be as grippy as G-10 under wet/oily conditions
Discontinued hence harder to find newRelatively high price point compared to some alternatives
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