Comparison Console
CIVIVI Mastodon vs Kershaw Injection 3.5
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Kershaw Injection 3.5 stands out as the lightest option for weight, with about a 24% gap from the closest alternative. Kershaw Injection 3.5 stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative.
Decision Signals
What stands out
Kershaw Injection 3.5 stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative.
CIVIVI Mastodon stands out as the most expensive option for retail price, with about a 7% gap from the closest alternative.
Kershaw Injection 3.5 stands out as the lightest option for weight, with about a 24% gap from the closest alternative.
CIVIVI Mastodon stands out as the heaviest option for weight, with about a 32% gap from the closest alternative.
Kershaw Injection 3.5 stands out as the shortest option for closed length, with about a 14% gap from the closest alternative.
CIVIVI Mastodon stands out as the longest option for closed length, with about a 16% gap from the closest alternative.
Kershaw Injection 3.5 stands out as the shortest option for blade length, with about a 9% gap from the closest alternative.
CIVIVI Mastodon 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.
Price & carry
Retail price
US$64.2Most expensive
US$59.99Cheapest
Weight
164.3 g (5.80 oz)Heaviest
124.74 g (4.40 oz)Lightest
Dimensions
Blade length
97.2 mm (3.83 in)Longest
88.9 mm (3.50 in)Shortest
Overall length
230 mm (9.06 in)Longest
203.2 mm (8.00 in)Shortest
Closed length
132.8 mm (5.23 in)Longest
114.3 mm (4.50 in)Shortest
Blade thickness
4 mm (0.16 in)Thickest
3.05 mm (0.12 in)Thinnest
Materials & mechanism
Blade steel
9Cr18MoV
8Cr13MoV Stainless Steel
Handle material
G-10 Laminate
G-10 Laminate
Finish
Stonewashed
Bead Blast
Lock type
Liner Lock
Liner Lock
Opening method
Flipper
Thumb Stud
Clip type
Tip-up, left/right reversible
Reversible steel pocket clip, tip-up carry
Use case profile
Best for
Everyday carryEDCWorkhorseCollector
Everyday Carry (EDC)General utility tasksAmbidextrous use
Not best for
Unknown
Unknown
Common praise
Solid build qualityGood gripAmbidextrous openingAffordable priceEffective liner lock
High performance 8Cr13MoV blade steel offers good edge retentionSmooth manual thumb stud opening and secure liner lockReversible pocket clip for left or right-hand carryWell-textured G-10 handle for secure gripAesthetic custom details from designer Todd Rexford
Common complaints
Discontinued modelLimited availability
Not assisted opening, manual only
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