Comparison Console
Zero Tolerance 0640BLK vs Zero Tolerance 0850
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Zero Tolerance 0850 stands out as the lightest option for weight, with about a 2% gap from the closest alternative. Zero Tolerance 0640BLK stands out as the cheapest option for retail price, with about a 13% gap from the closest alternative.
Decision Signals
What stands out
Zero Tolerance 0640BLK stands out as the cheapest option for retail price, with about a 13% gap from the closest alternative.
Zero Tolerance 0850 stands out as the most expensive option for retail price, with about a 14% gap from the closest alternative.
Zero Tolerance 0850 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 0640BLK stands out as the shortest option for closed length, with about a 4% gap from the closest alternative.
Zero Tolerance 0850 stands out as the longest option for closed length, with about a 4% gap from the closest alternative.
Zero Tolerance 0640BLK stands out as the shortest option for overall length, with about a 2% gap from the closest alternative.
Zero Tolerance 0850 stands out as the longest option for overall length, with about a 2% 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$350Cheapest
US$400Most expensive
Weight
124.7 g (4.40 oz)Heaviest
121.9 g (4.30 oz)Lightest
Dimensions
Blade length
95 mm (3.74 in)
95 mm (3.74 in)
Overall length
216 mm (8.50 in)Shortest
221 mm (8.70 in)Longest
Closed length
121 mm (4.76 in)Shortest
126 mm (4.96 in)Longest
Blade thickness
4 mm (0.16 in)Thickest
3.96 mm (0.16 in)Thinnest
Materials & mechanism
Blade steel
CPM 20CV
CPM 20CV stainless steel
Handle material
Carbon Fiber & Titanium
Blue carbon fiber composite
Finish
DLC
Two-tone stonewash and satin finish
Lock type
Frame Lock
Sub-Frame Lock with hardened steel lockbar insert
Opening method
Unknown
Manual opening with aluminum thumb stud
Clip type
Right or left hand, tip up
Custom machined titanium pocket clip (tip-up, right carry)
Use case profile
Best for
Everyday carry (EDC)Tactical useCollectors
Everyday carryCollectorsPrecision cutting tasks
Not best for
Unknown
Unknown
Common praise
High-quality build and materialsExcellent blade steel (CPM 20CV)Lightweight despite sturdy constructionGood ergonomics and designReliable frame lock mechanism
Excellent edge retention and corrosion resistance from CPM 20CV steelLightweight design due to blue carbon fiber handle and titanium clipStrong and reliable Sub-Frame Lock mechanism with hardened steel insertSmooth manual opening with aluminum thumb studMade in the USA with quality construction and attractive finish
Common complaints
Discontinued hence harder to find newRelatively high price point compared to some alternatives
Unknown
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