Zero Tolerance 0640 stands out as the lightest option for weight, with about a 8% gap from the closest alternative. Zero Tolerance 0640 stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative.
Decision Signals
What stands out
Cheapest
Zero Tolerance 0640 stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative.
Most expensive
Spyderco Civilian stands out as the most expensive option for retail price, with about a 7% gap from the closest alternative.
Lightest
Zero Tolerance 0640 stands out as the lightest option for weight, with about a 8% gap from the closest alternative.
Heaviest
Spyderco Civilian stands out as the heaviest option for weight, with about a 9% gap from the closest alternative.
Shortest
Zero Tolerance 0640 stands out as the shortest option for closed length, with about a 9% gap from the closest alternative.
Longest
Spyderco Civilian stands out as the longest option for closed length, with about a 9% gap from the closest alternative.
Shortest
Zero Tolerance 0640 stands out as the shortest option for blade length, with about a 8% gap from the closest alternative.
Longest
Spyderco Civilian stands out as the longest option for blade length, with about a 9% 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.
Stonewashed flats with satin grinds on the blade, stonewashed titanium handle
Lock type
Back Lock
Titanium frame lock with hardened steel lockbar insert
Opening method
Thumb Hole
Thumb disk, manual opening
Clip type
Two-position clip (tip-up/tip-down, right side)
Reversible tip-up pocket clip
Use case profile
Best for
▣Personal protection▣Undercover law enforcement use
▣Everyday Carry▣Work▣Tactical
Not best for
!General utility!Everyday use
Unknown
Common praise
✓Effective cutting performance with fully serrated reverse 'S' blade✓Ergonomic handle with textured black G-10 scales✓High-strength back lock mechanism✓Two-position clip for versatile carry✓Established and respected design for self-defense
✓High wear resistance and edge retention due to CPM 20CV steel✓Good corrosion resistance✓Secure titanium frame lock with hardened steel insert✓Ambidextrous one-handed opening with thumb disk✓Ergonomic and visually interesting handle with green carbon fiber overlays✓Made in the USA
Common complaints
⚠Not intended or designed for general utility or everyday use⚠H2 steel version prone to surface rust after marine use