Comparison Console
Kershaw Injection 3.0 vs Zero Tolerance 0400ST
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Kershaw Injection 3.0 stands out as the lightest option for weight, with about a 36% gap from the closest alternative.
Decision Signals
What stands out
Kershaw Injection 3.0 stands out as the lightest option for weight, with about a 36% gap from the closest alternative.
Zero Tolerance 0400ST stands out as the heaviest option for weight, with about a 57% gap from the closest alternative.
Zero Tolerance 0400ST stands out as the shortest option for closed length, with about a 29% gap from the closest alternative.
Kershaw Injection 3.0 stands out as the longest option for closed length, with about a 40% gap from the closest alternative.
Kershaw Injection 3.0 stands out as the shortest option for blade length, with about a 20% gap from the closest alternative.
Zero Tolerance 0400ST stands out as the longest option for blade length, with about a 25% gap from the closest alternative.
Kershaw Injection 3.0 stands out as the shortest option for overall length, with about a 18% gap from the closest alternative.
Zero Tolerance 0400ST stands out as the longest option for overall length, with about a 21% 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$54.95
Unknown
Weight
93.6 g (3.30 oz)Lightest
147 g (5.19 oz)Heaviest
Dimensions
Blade length
76 mm (2.99 in)Shortest
95 mm (3.74 in)Longest
Overall length
178 mm (7.01 in)Shortest
216 mm (8.50 in)Longest
Closed length
178 mm (7.01 in)Longest
127 mm (5.00 in)Shortest
Blade thickness
2.8 mm (0.11 in)Thinnest
4 mm (0.16 in)Thickest
Materials & mechanism
Blade steel
8Cr13MoV
S-30V
Handle material
G-10 Laminate
6061-T6 Aluminum with Trac-Tec inserts
Finish
Bead blast
Black DLC coating on blade
Lock type
Liner Lock
Liner Lock
Opening method
Thumb Stud
SpeedSafe assisted opening with thumb stud or index finger protrusion
Clip type
Reversible tip-up
Reversible tip-up and tip-down pocket clip, ambidextrous
Use case profile
Best for
Everyday carryGeneral everyday tasks
Everyday carryTactical useWork tasks
Not best for
Heavy duty useSerious work due to small blade size
Heavy bushcraft
Common praise
Good build quality for priceErgonomic and secure gripSmooth deployment and lockupReversible pocket clip for ambidextrous carryAttractive custom-style details
Excellent build qualityReliable assisted opening mechanismStrong S-30V steel bladeComfortable grip due to Trac-Tec insertsAmbidextrous design with reversible pocket clip
Common complaints
Blade finish prone to rustOpening and closing action can be stiff initiallyHandle may feel small for large handsNot suitable for very heavy duty tasks
Lacks a sheathHandle may feel small for some users
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