Comparison Console
Zero Tolerance 0450 vs Zero Tolerance 0640
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 10% 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 10% gap from the closest alternative.
Zero Tolerance 0640 stands out as the most expensive option for retail price, with about a 12% 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 0640 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 0640 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 0640 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$268Most expensive
Weight
82.2 g (2.90 oz)Lightest
125 g (4.41 oz)Heaviest
Dimensions
Blade length
82.55 mm (3.25 in)Shortest
95.25 mm (3.75 in)Longest
Overall length
187.96 mm (7.40 in)Shortest
215.9 mm (8.50 in)Longest
Closed length
104.14 mm (4.10 in)Shortest
120.65 mm (4.75 in)Longest
Blade thickness
3.07 mm (0.12 in)Thinnest
3.96 mm (0.16 in)Thickest
Materials & mechanism
Blade steel
CPM S35VN
CPM 20CV stainless steel
Handle material
Titanium
Titanium with green carbon fiber overlay
Finish
Stonewashed and satin finish
Stonewashed flats with satin grinds on the blade, stonewashed titanium handle
Lock type
Titanium frame lock with hardened steel lockbar insert
Titanium frame lock with hardened steel lockbar insert
Opening method
Manual KVT ball-bearing flipper
Thumb disk, manual opening
Clip type
Reversible tip-up pocket clip
Reversible tip-up pocket clip
Use case profile
Best for
Everyday carry (EDC)Work useLight to moderate cutting tasks
Everyday CarryWorkTactical
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 wear resistance and edge retention due to CPM 20CV steelGood corrosion resistanceSecure titanium frame lock with hardened steel insertAmbidextrous one-handed opening with thumb diskErgonomic and visually interesting handle with green carbon fiber overlaysMade in the USA
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
Unknown
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