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Comparison Console

Benchmade Model 51 Morpho vs Spyderco Police 4

EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.

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Command Brief

Recommended read

Benchmade Model 51 Morpho stands out as the lightest option for weight, with about a 17% gap from the closest alternative. Spyderco Police 4 stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative.

Decision Signals

What stands out

Cheapest

Spyderco Police 4 stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative.

Most expensive

Benchmade Model 51 Morpho stands out as the most expensive option for retail price, with about a 8% gap from the closest alternative.

Lightest

Benchmade Model 51 Morpho stands out as the lightest option for weight, with about a 17% gap from the closest alternative.

Heaviest

Spyderco Police 4 stands out as the heaviest option for weight, with about a 20% gap from the closest alternative.

Shortest

Benchmade Model 51 Morpho stands out as the shortest option for closed length, with about a 4% gap from the closest alternative.

Longest

Spyderco Police 4 stands out as the longest option for closed length, with about a 4% gap from the closest alternative.

Shortest

Benchmade Model 51 Morpho stands out as the shortest option for blade length, with about a 3% gap from the closest alternative.

Longest

Spyderco Police 4 stands out as the longest option for blade length, with about a 3% 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.

Benchmade Model 51 Morpho — Blade length: 108 mm (4.25 in)Benchmade Model 51 Morpho — Overall length: 235 mm (9.25 in)Benchmade Model 51 Morpho — Closed length: 137 mm (5.39 in)Benchmade Model 51 Morpho — Blade thickness: 2.8 mm (0.11 in)Benchmade Model 51 Morpho — Weight: 98.9 g (3.49 oz)Benchmade Model 51 Morpho — Retail price: US$285Spyderco Police 4 — Blade length: 111 mm (4.37 in)Spyderco Police 4 — Overall length: 253 mm (9.96 in)Spyderco Police 4 — Closed length: 143 mm (5.63 in)Spyderco Police 4 — Blade thickness: 3 mm (0.12 in)Spyderco Police 4 — Weight: 119 g (4.20 oz)Spyderco Police 4 — Retail price: US$264Blade lengthOverall lengthClosed lengthBlade thicknessWeightRetail price
Price & carry
Retail price
US$285Most expensive
US$264Cheapest
Weight
98.9 g (3.49 oz)Lightest
119 g (4.20 oz)Heaviest
Dimensions
Blade length
108 mm (4.25 in)Shortest
111 mm (4.37 in)Longest
Overall length
235 mm (9.25 in)Shortest
253 mm (9.96 in)Longest
Closed length
137 mm (5.39 in)Shortest
143 mm (5.63 in)Longest
Blade thickness
2.8 mm (0.11 in)Thinnest
3 mm (0.12 in)Thickest
Materials & mechanism
Blade steel
D2 Tool Steel
K390
Handle material
G-10 with titanium liners
FRN
Finish
Stonewash or satin finish depending on variant
Unknown
Lock type
Spring latch
Back Lock
Opening method
Balisong flipping or direct open
Thumb hole (Trademark Round Hole)
Clip type
Tip-up titanium pocket clip (reversible for left or right hand)
Four-position pocket clip
Use case profile
Best for
EDC (everyday carry)Recreational flippingLight utility tasks
Extreme cutting challengesEveryday carry
Not best for
!Heavy chopping!Rust-prone wet environments without proper care
Unknown
Common praise
Lightweight for a balisong at roughly 3.3 ouncesDurable, strong blade tip resistant to damageSmooth action with high-quality tolerancesComfortable textured G-10 handle with finger groovesInnovative spring latch that does not open accidentally
Excellent edge retentionStrong and durable blade steelLightweight constructionVersatile clip positionsReliable back lock mechanism
Common complaints
D2 steel is less rust resistant and requires careful maintenanceSpring latch can require effort to disengageLatch disengagement when open is less convenient
Unknown