Qnkaa Flex Head Ratcheting Wrench Set 12 Piece
- Jaw Capacity: 0.7 inches
- Measurement Standard: Metric
- Head Style: Flex
- Item Length: 11.5 inches
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A heavy, 11.5-inch wrench that opens to 19mm, built for leverage on larger fasteners rather than for portability in a small kit.
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ASIN: B088386RPXCategory: Wrenches
Overview
At 11.5 inches long and weighing about 1.9 kilograms, the Qnkaa Qukaa wrench opens to a 19mm jaw capacity. Its heft points to a heavy-duty build meant for stubborn fasteners rather than a light everyday spanner.
Data available for this listing is limited to length, weight and jaw opening, so the exact jaw style isn't confirmed here. What is clear is that at nearly 4 pounds for an 11.5-inch tool, it's built with more mass than a typical pocket wrench, which usually means thicker steel at the head and handle.
- 11.5 inch length
- 19mm jaw capacity
- 1.9 kg weight
- Qnkaa brand
Who it's for
Suits anyone needing a substantial hand wrench for fasteners up to 19mm, such as plumbing fittings or larger bolts. Skip it if you want something light to carry in a toolbox pouch.
Pros and cons
- 19mm jaw capacity handles larger fasteners
- Substantial build for extra leverage
- At 1.9 kg, it's heavier than a pocket wrench
- Jaw style and finish aren't detailed in the listing
Performance notes
The 1.9 kilogram weight concentrated in an 11.5-inch frame suggests a thicker head and shank than lighter wrenches, which typically translates to more leverage before the tool flexes under load.
Specifications
| Brand | Qnkaa |
|---|---|
| Dimensions & fit | |
| Item Length | 11.5 incheshigher than 66% of 371 wrenches |
| Item Weight | 4.19 poundshigher than 82% of 356 wrenches |
| Capacity & performance | |
| Jaw Capacity | 0.7 incheslower than 50% of 165 wrenches |
| Construction & materials | |
| Material Type | Chrome Vanadium Steel |
| Color | Silver |
| Finish Types | Polished |
| Included components | |
| Package Quantity | 1 |
| Unit Count | 12 |
| Other details | |
| Measurement Standard | Metric |
| Head Style | Flex |
| Operation Mode | Mechanical |
| Set Name | Qukaa 12-Piece Metric Ratchet Wrenches Set |
Closest rivals on specs
Frequently asked questions
What is the maximum jaw opening on the Qnkaa Qukaa wrench?
19 millimeters.
How long is this wrench?
11.5 inches.
How heavy is it?
About 1.9 kilograms, roughly 4.2 pounds.