Comparison Console
Zero Tolerance 0640BLK vs Zero Tolerance 0900
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Zero Tolerance 0900 stands out as the lightest option for weight, with about a 2% gap from the closest alternative. Zero Tolerance 0900 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 0900 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 0900 stands out as the lightest option for weight, with about a 2% gap from the closest alternative.
Zero Tolerance 0640BLK stands out as the heaviest option for weight, with about a 2% gap from the closest alternative.
Zero Tolerance 0900 stands out as the shortest option for closed length, with about a 20% gap from the closest alternative.
Zero Tolerance 0640BLK stands out as the longest option for closed length, with about a 25% gap from the closest alternative.
Zero Tolerance 0900 stands out as the shortest option for blade length, with about a 26% gap from the closest alternative.
Zero Tolerance 0640BLK stands out as the longest option for blade length, with about a 36% 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$350Most expensive
US$240Cheapest
Weight
124.7 g (4.40 oz)Heaviest
122 g (4.30 oz)Lightest
Dimensions
Blade length
95 mm (3.74 in)Longest
70 mm (2.76 in)Shortest
Overall length
216 mm (8.50 in)Longest
168 mm (6.61 in)Shortest
Closed length
121 mm (4.76 in)Longest
97 mm (3.82 in)Shortest
Blade thickness
4 mm (0.16 in)
4 mm (0.16 in)
Materials & mechanism
Blade steel
CPM 20CV
CPM S35VN
Handle material
Carbon Fiber & Titanium
Titanium
Finish
DLC
Stonewash
Lock type
Frame Lock
Frame Lock
Opening method
Unknown
Flipper
Clip type
Right or left hand, tip up
Tip-Up, reversible
Use case profile
Best for
Everyday carry (EDC)Tactical useCollectors
EDCTactical useDurable backup knife
Not best for
Unknown
Those needing lighter knifeThose needing very thin blade
Common praise
High-quality build and materialsExcellent blade steel (CPM 20CV)Lightweight despite sturdy constructionGood ergonomics and designReliable frame lock mechanism
Excellent build qualityComfortable ergonomic titanium handleSmooth flipper action with KVT bearingDurable and resistant CPM S35VN blade steelCompact size ideal for EDC
Common complaints
Discontinued hence harder to find newRelatively high price point compared to some alternatives
Heavier than typical for blade lengthChunky blade thicknessHandle clip requires appropriate pants for secure carry
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