Corner Corner Clamps-ZJC-4
- Clamp
- 1.6 ounces
- 1 × 1 × 0.5 inches
Small, light corner clamps well suited to precision hobby work, though set count and material are worth confirming from the photos.
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How it ranks among the 377 clamps we track
4.2★ across 163 Amazon ratings, Bayesian-smoothed toward the category average.
163 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
700+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 377 clamps we track - how the scorecard works · full clamps data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
At 1.6 ounces and a listed footprint of 1 x 1 x 0.5 inches, the ZJC-4 corner clamp is built for small-scale work rather than large frames. It carries a 4.2 star rating from 163 reviews and sold roughly 700 units in the past month.
The ZJC-4 model name hints at a four-piece set, a common format for corner clamps used on mitered joints, though the listing data does not confirm the count directly. No description text is available to spell out material or exact use. Buyers relying on this for picture frames or small box joints should check the listing photos for set size.
- Brand: Corner
- Model: ZJC-4
- Weight: 1.6 oz
- Listed size: 1 x 1 x 0.5 in
Who it's for
Suits hobbyists doing small mitered joints, picture frames, or light box assembly where a compact clamp is enough. Not the right pick for anyone clamping larger stock, given how light this listing suggests each piece is.
Strengths and trade-offs
Drawn from this product's published specifications.
- Very lightweight at 1.6 ounces
- 4.2 star rating from 163 reviews
- Bought 700 times in the past month
- Set count and material not specified
- No description text provided
- Listed dimensions suggest a small, single piece
Performance notes
Corner clamps like this hold two pieces at a right angle for gluing or drilling, with performance depending on jaw material and spring tension, neither of which is specified here. The light weight points to a compact build suited to delicate work rather than structural framing. Buyers doing repeated heavy use may want a sturdier alternative.
Specifications
| Brand | Corner |
|---|---|
| Model | Corner Clamps-ZJC-4 |
| Item Weight | 1.6 ounces |
| Dimensions | 1 × 1 × 0.5 inches |
Other Corner clamps
How it compares
This product against the closest alternatives we track in clamps.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Corner Corner Clamps-ZJC-4This product | 4.2 / 5 | 163 | 3.8 / 5 |
| IRWIN 1964758 ClampIrwin | 4.7 / 5 | 23,290 | 4.6 / 5 |
| Bessey BPC-H34 ClampBESSEY | 4.8 / 5 | 9,535 | 4.5 / 5 |
| Yost LV-4 ClampYost | 4.6 / 5 | 10,723 | 4.5 / 5 |
| EMART EM-CLAMP-6EMART | 4.7 / 5 | 4,997 | 4.4 / 5 |
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Questions about the Corner Corner Clamps-ZJC-4
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What does the ZJC-4 corner clamp weigh?
About 1.6 ounces, per the listing.
Is the ZJC-4 sold as a set?
The model name suggests four pieces, though the listing data does not confirm a set count.
How popular is the Corner Clamps-ZJC-4?
It sold roughly 700 units in the past month with a 4.2 star rating.