Comparison Console
Kershaw Bel Air vs Spyderco Endura 4
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Kershaw Bel Air stands out as the lightest option for weight, with about a 20% gap from the closest alternative. Spyderco Endura 4 stands out as the cheapest option for retail price, with about a 11% gap from the closest alternative.
Decision Signals
What stands out
Spyderco Endura 4 stands out as the cheapest option for retail price, with about a 11% gap from the closest alternative.
Kershaw Bel Air stands out as the most expensive option for retail price, with about a 12% gap from the closest alternative.
Kershaw Bel Air stands out as the lightest option for weight, with about a 20% gap from the closest alternative.
Spyderco Endura 4 stands out as the heaviest option for weight, with about a 24% gap from the closest alternative.
Kershaw Bel Air stands out as the shortest option for closed length, with about a 16% gap from the closest alternative.
Spyderco Endura 4 stands out as the longest option for closed length, with about a 19% gap from the closest alternative.
Kershaw Bel Air stands out as the shortest option for blade length, with about a 21% gap from the closest alternative.
Spyderco Endura 4 stands out as the longest option for blade length, with about a 26% 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$160Most expensive
US$143Cheapest
Weight
82 g (2.89 oz)Lightest
102 g (3.60 oz)Heaviest
Dimensions
Blade length
76 mm (2.99 in)Shortest
96 mm (3.78 in)Longest
Overall length
183 mm (7.20 in)Shortest
222 mm (8.74 in)Longest
Closed length
107 mm (4.21 in)Shortest
127 mm (5.00 in)Longest
Blade thickness
Unknown
3 mm (0.12 in)
Materials & mechanism
Blade steel
CPM MagnaCut
VG-10 Stainless Steel
Handle material
Aluminum
FRN
Finish
Blackwash or Black PVD coating depending on model
Satin, Black TiCN (Titanium Carbonitride) or Damascus
Lock type
DuraLock crossbar lock
Back Lock
Opening method
Manual KVT ball bearings with thumb stud
Thumb Hole
Clip type
Reversible deep-carry pocketclip
Spoon-style Clip
Use case profile
Best for
Everyday carry (EDC)Utility tasksCamping and hikingFoods preparation
Everyday carryHuntingTacticalCampingSurvival
Not best for
Heavy prying tasksWoodworking requiring thick blade stock
Heavy-duty pryingFood prep with the saber-ground bladeDeep-pocket covert carry
Common praise
Excellent corrosion resistanceSmooth, easy deploymentThin blade stock provides superior cutting performanceAmbidextrous, secure locking mechanismComfortable and lightweight aluminum handle
Lightweight yet rugged constructionSecure grip with bi-directional texturingEasy ambidextrous one-handed openingStrong and reliable lock backHigh-quality VG-10 blade steel with good edge retention and corrosion resistance
Common complaints
Pocket clip protrudes slightly from handle causing minor snaggingHeavier than some ultra-light competitorsBlade thickness may flex under heavy pryingInitial limited variants availability
Handle not suitable for hard use despite steel linersSlight blade play may develop after extended use
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