← ComparisonsLength and spine thickness drawn to true scale from published specs. Profile is the shape family's outline, not a scan of this model.
Head to head
Kershaw Blur 1670 vs Kershaw Iridium
Kershaw Blur 1670 runs a 3.4″ drop point blade in Sandvik 14C28N; Kershaw Iridium runs 3.4″ of spear point in D2. The Kershaw Iridium is the lighter of the two by 0.60 oz.
01234567 in
- Kershaw Blur 1670 · Drop Point3.4″ blade · 0.121″ spine · 3.9 oz · ~0.83″ tall (derived)
- Kershaw Iridium · Spear Point3.4″ blade · 3.3 oz · ~0.77″ tall (derived)
Spine thickness, same scale
0.121″
| Spec | KershawKershaw Blur 1670 | KershawKershaw Iridium |
|---|---|---|
| Blade length | 3.4″ | 3.4″ |
| Spine thickness | 0.121″ | — |
| Overall length | 7.9″ | 7.9″ |
| Closed length | 4.5″ | 4.5″ |
| Weight | 3.9 oz | 3.3 oz |
| Blade shape | Drop Point | Spear Point |
| Steel | Sandvik 14C28N | D2 |
| Grind | Hollow | Flat |
| Lock | Liner | DuraLock |
| Handle material | Aluminum + Trac-Tec | Aluminum |
| Country of origin | USA | China |
| Price band | Mid | Mid |
Tinted rows are where these two differ.
The steel difference
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.
D2
Semi-stainless: enough chromium to resist spotting, not enough to be stainless. Big carbides mean long edge life and a coarse, toothy edge.