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Kershaw Leek 1660 · Modified Wharncliffe
3″ blade · 0.09″ spine · 3 oz · ~0.65″ tall (derived)

Spine thickness, same scale

0.09″

Length and spine thickness drawn to true scale from published specs. Profile is the shape family's outline, not a scan of this model.

Kershaw

Kershaw Leek 1660

EDC FolderFolding

The Kershaw Leek 1660 is a 3" modified wharncliffe folder in Sandvik 14C28N, hollow ground. The handle is 410 Stainless, secured by a frame lock. Its spine is 0.09" against a 0.118" median for EDC folders here, so it slices better than most and tolerates less abuse.

Blade: 3″
Weight: 3 oz
Steel: Sandvik 14C28N
Price band: Mid

Best for

Everyday carry and general utility

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Specifications

Manufacturer-published figures, cross-checked against knifeworks, dlttrading.

Blade length: 3″
Spine thickness: 0.09″
Blade shape: Modified Wharncliffe
Grind: Hollow
Steel: Sandvik 14C28N
Overall length: 7″
Closed length: 4″
Weight: 3 oz
Lock: Frame Lock
Deployment: Assisted
Handle material: 410 Stainless
Country of origin: USA

Why a modified wharncliffe

A wharncliffe with some curve reintroduced — a slender profile with the tip near the centreline. Kershaw's Leek is the pattern most people picture.

About Sandvik 14C28N

Developed with Kershaw. Tough, rust-resistant, and about as easy to sharpen as a good steel gets — the reason it dominates the value tier.

Edge retention

2/5

Toughness

4/5

Corrosion resistance

4/5

Ease of sharpening

5/5

1-5 is a relative ranking drawn from published composition and hardness, not a lab measurement. Higher is better on every axis, and no steel is a 5 across the board — edge retention and toughness pull against each other. All Sandvik 14C28N knives