OKNIFE Otacle U1 Folding Utility Knife
- 3.38 in closed, 5.61 in long
- Standard utility blades, SK5 steel blade fitted
- Rail lock holds the blade open
- G10 fiberglass handle, 2.82 ounces
- Pocket clip and lanyard hole, 4mm paracord included
Last refreshed Jun 25, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A compact folding box cutter for everyday carry that takes standard utility blades and locks open with a rail lock. The first blade change needs pliers because the screws ship tight.
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ASIN: B0CJVNXQ8VModel: Otacle U1Category: Pocket Knives & Folding Knives
Overview
A rail lock holds the blade carrier open on this Oknife Otacle folding utility knife, and the carrier accepts conventional utility blades. A fiberglass handle, pocket clip and lanyard hole make it an everyday carry box cutter.
Swappable standard blades in a slim folding body cover office boxes and warehouse tape alike. Shipping screws are tightened hard, so the first change takes pliers and patience.
Who it's for
Warehouse staff, movers and office managers get a light cutter that rides in a pocket. Users who need a traditional knife blade for food or camp tasks should look at pocket knives.
Pros and cons
- Uses standard utility blades
- Rail lock for safe cutting
- Grippy G10 handle
- Light for pocket carry
- First blade change needs pliers
- Spare blades not included
- Warranty not listed
Performance notes
Cut quality depends on the replaceable blade, so a fresh standard blade restores performance at any time. The longer exposed edge reaches deeper into double-wall cardboard, and the rail lock prevents the carrier closing under push.
Specifications
| Brand | Oknife |
|---|---|
| Model | Otacle U1 |
| Dimensions & fit | |
| Item Length | 5.61 Inches |
| Folded Size | 3.38 inch |
| Item weight | 2.82 ounces |
| Construction & materials | |
| Blade Material | SK5 Steel |
| Handle Material | G10 fiberglass |
| Color | Carbon Fiber |
| Included components | |
| Included Components | Knife, 4mm paracord, manual |
| Other details | |
| Blade Type | Conventional utility blades |
| Lock type | Rail lock |
| Special Features | Pocket clip, lanyard hole |
Frequently asked questions
How big is the Oknife Otacle U1 when folded?
It is 3.38 inches closed and 5.61 inches long overall, light enough for a pocket clip at 2.82 ounces.
Why is the first blade change hard on the Oknife Otacle U1?
The screws are tightened for shipping, so Oknife recommends pliers for the first change. Later you can loosen the screw partway and swap the blade without removing it.
What blades fit the Oknife Otacle U1?
It is compatible with conventional utility blades.
Does the Oknife Otacle U1 lock?
Yes. A rail lock holds the blade open while cutting.