Tojiro DP Petty Utility Knife
- 15 cm blade, 5.9 inch size
- Cobalt alloy steel core with 13 chrome stainless sides
- Forged, plain edge
- Laminated reinforced handle, hygienic ferrule
- 0.08 kg, 11 inches overall
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A forged petty knife with a sealed ferrule that does not collect dirt. The listing does not give the hardness number.
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ASIN: B000UANWH8Category: Kitchen Utility Knives
Overview
Mid-size slicing and trimming is the work of this forged petty blade, built on a cobalt alloy steel core with softer chrome stainless sides. A laminate handle resists aging, and a ferrule at the junction is built so dirt cannot collect.
The layered steel is described as giving commercial sharpness with easy maintenance, and the ferrule detail helps hygiene. The limitation is the missing hardness rating and the odd steel naming across the spec fields.
Who it's for
Cooks who like a Japanese-style petty knife for precise work will appreciate the layered steel and handle build. Those who need a heavy chopping knife should choose a longer blade.
Pros and cons
- Cobalt alloy core for sharpness
- Laminated handle resists aging
- Hygienic ferrule at the blade junction
- Hardness rating not listed
- Steel naming inconsistent in fields
- No care instructions listed
Performance notes
The hard core holds a keen edge, while the chrome stainless sides add corrosion protection and are easier to maintain. A fixed ferrule closes the gap between blade and handle, so food residue has no seam to settle into. Weight is light for quick work.
Specifications
| Brand | Tojiro |
|---|---|
| Dimensions & fit | |
| BladeLength | 15 centimeters |
| Size | 5.9 inches |
| Item Length | 11 incheshigher than 52% of 32 kitchen utility knives |
| Item weight | 0.08 kg |
| Construction & materials | |
| Blade Material Type | Cobalt alloy steel core with 13 chrome stainless sides |
| Construction Type | Forged |
| Handle Material | Laminated reinforced material |
| Other details | |
| Blade Edge | Plain |
| Model number | 4110 |
Closest rivals on specs
Cangshan Helena Serrated Utility Knife 5 in- Size 5.9 vs 5 inches (+18%)
- Item Length 11 vs 9.53 inches (+15%)
ZWILLING Twin Pollux Utility Knife- Size 5.9 vs 5.1 inches (+16%)
- Item Length 11 vs 7.87 inches (+40%)
Frequently asked questions
Does the Tojiro DP petty knife need any assembly?
No assembly is described. It is a forged knife with a fixed ferrule and a laminated handle, and the listing gives no care steps.
What is the blade made of?
A cobalt alloy steel core with 13 chrome stainless steel for the side material.
Is it a petty knife or a utility knife?
The item type is listed as a petty knife, and the title calls it Petty/Utility.
How long is the blade?
The blade is 15 cm, listed as a 5.9 inch size.