Comparison Console
Microtech Amphibian Auto vs Zero Tolerance 0650ST
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Zero Tolerance 0650ST stands out as the lightest option for weight, with about a 2% gap from the closest alternative. Microtech Amphibian Auto stands out as the cheapest option for retail price, with about a 10% gap from the closest alternative.
Decision Signals
What stands out
Microtech Amphibian Auto stands out as the cheapest option for retail price, with about a 10% gap from the closest alternative.
Zero Tolerance 0650ST stands out as the most expensive option for retail price, with about a 11% gap from the closest alternative.
Zero Tolerance 0650ST stands out as the lightest option for weight, with about a 2% gap from the closest alternative.
Microtech Amphibian Auto stands out as the heaviest option for weight, with about a 2% gap from the closest alternative.
Zero Tolerance 0650ST stands out as the shortest option for closed length, with about a 7% gap from the closest alternative.
Microtech Amphibian Auto stands out as the longest option for closed length, with about a 8% gap from the closest alternative.
Zero Tolerance 0650ST stands out as the shortest option for blade length, with about a 4% gap from the closest alternative.
Microtech Amphibian Auto stands out as the longest option for blade length, with about a 4% 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$337Cheapest
US$375Most expensive
Weight
170.1 g (6.00 oz)Heaviest
167 g (5.89 oz)Lightest
Dimensions
Blade length
99.06 mm (3.90 in)Longest
95 mm (3.74 in)Shortest
Overall length
235.62 mm (9.28 in)Longest
222 mm (8.74 in)Shortest
Closed length
137.16 mm (5.40 in)Longest
127 mm (5.00 in)Shortest
Blade thickness
Unknown
4 mm (0.16 in)
Materials & mechanism
Blade steel
Bohler M390MK stainless steel
154CM stainless steel
Handle material
G10 (fluted black)
6061-T6 anodized aluminum with black textured G-10 overlays
Finish
Stonewash (one version), Apocalyptic (another version)
Black Tungsten DLC coating
Lock type
Ram-Lok (crossbar lock)
CrossFire Auto Lock
Opening method
Thumb Stud
Automatic with button slide
Clip type
Reversible titanium tip-up pocket clip
Reversible/removable tip-up pocket clip
Use case profile
Best for
Everyday carryHeavy-duty EDCAmbidextrous use
Everyday carry (EDC)Tactical useLaw enforcementMilitary
Not best for
Unknown
Sheath carryFixed blade tasks
Common praise
Innovative Ram-Lok crossbar lock for secure and smooth operation.High-quality Bohler M390MK blade steel.Ambidextrous thumb stud and reversible pocket clip allows left or right carry.Durable fluted black G10 or titanium handle with secure grip.Made in the USA with high craftsmanship.
Smooth and reliable automatic deploymentSolid lockdown with CrossFire lock systemHigh quality materials and finishComfortable textured gripReversible and removable pocket clip
Common complaints
Unknown
CrossFire safety can be too easy to disengage accidentallyGrip feels slightly blocky for some usersDiscontinued and thus harder to findButton safety may be disengaged by clothing or gear contact
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