ZWILLING TWIN Signature 7 in Hollow Edge Santoku Knife (30749-183)
By ZWILLING · Kitchen Knives · Kitchen & Cooking · More from ZWILLING
- Single-piece precision-stamped special-formula stainless steel
- FRIODUR ice-hardened blade, 57 Rockwell hardness
- 7 in hollow-edge blade, triple-rivet polymer handle bonded to full tang
- Made in Germany, dishwasher safe
Price not listed
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Summary
A German-made stamped 7.09-inch hollow-edge santoku with a triple-rivet polymer handle, made for home cooks who want a light general-purpose knife. Check that you want stamped lightweight construction and not a forged knife before you buy.
Strengths
- FRIODUR ice-hardened special-formula steel with hollow-edge indentations that keep food from sticking.
- Light stamped build at 0.35 lbs with 12.20 in overall length for easy handling.
- Triple-rivet matte-black polymer handle bonded to full tang.
- Laser-controlled razor edge, finely honed and hand-finished.
- US limited warranty covers material and workmanship defects for as long as the original purchaser owns the knife.
Weaknesses
- Stamped construction gives less heft and balance than forged lines.
- Manufacturer publishes no per-side edge angle for this knife.
- No instrumented edge-retention or slicing-force test exists for this exact knife.
- Manufacturer rates it dishwasher safe but still recommends hand washing.
- Warranty is replacement-only with no repair service and requires proof of purchase.
Verified specifications
| Model | item no. 30749-183, ZWILLING TWIN Signature 7-inch Hollow Edge Santoku Knife. |
|---|---|
| Series | precision-stamped lightweight knives. |
| Country of origin | Germany. |
| Blade steel | special-formula stainless steel, single-piece precision-stamped. |
| Hardening | FRIODUR ice-hardened blade. |
| Hardness | 55-58 HRC in the spec table; bullet copy states 57 Rockwell Hardness. |
| Blade length | 7.09 in. |
| Edge type | hollow edge with small indentations that prevent food from sticking. |
| Edge finish | razor edge with laser-controlled edge, finely honed and hand-finished. |
| Handle | matte-black polymer, triple-rivet, bonded to full tang. |
| Handle type | exposed tang. |
| Overall length | 12.20 in. |
| Handle length | 5.28 in. |
| Handle width | 0.71 in. |
| Product width | 1.77 in. |
| Product height | 0.79 in. |
| Net weight | 0.35 lbs. |
| Care | dishwasher safe, hand washing recommended. |
Full research notes and sources
Sources
- ZWILLING — TWIN Signature 7-inch Hollow Edge Santoku product page
- ZWILLING — US warranty page
- ZWILLING — TWIN Signature series catalog
- ThirstyBear — Zwilling knives guide
- Kitchen Knife Forums — search results for twin signature santoku
- Kitchen Knife Forums — thread on why I love Chinese cleavers
- Kitchen Knife Forums — greetings and thank you thread
- Kitchen Knife Forums — hello from the Outer Banks thread


