IRWIN 165 Clamp
- Clamp
- 4 ounces
- More reviewed than 76%
A small, light clamp built for light duty holding jobs, not a substitute for a full size bar clamp when real clamping pressure is needed.
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How it ranks among the 377 clamps we track
4.4★ across 758 Amazon ratings, Bayesian-smoothed toward the category average.
758 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
50+ 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
The IRWIN 165 is a compact clamp measuring 5.31 inches and weighing just 0.25 pounds. Its small footprint fits light assembly and hobby work rather than heavy shop clamping.
IRWIN's listing for the 165 does not spell out clamping capacity or throat depth, only overall size and weight, so this reads as a small format clamp rather than a bar or pipe clamp. At a quarter pound it is light enough to carry several at once, which matters more for glue up and craft work than for structural holding.
- 0.25 pound weight
- 5.31 inch size
- IRWIN brand
- Compact design
Who it's for
Fits hobbyists, model builders and anyone doing small glue ups or light fastening. Woodworkers clamping large panels or metalworkers needing high pressure will want a heavier duty clamp instead.
Strengths and trade-offs
Drawn from this product's published specifications.
- Lightweight at 0.25 pounds
- Compact size is easy to store and carry
- Simple to position one-handed
- No listed clamping capacity or throat depth
- Not built for heavy duty pressure
Performance notes
The low weight and small size point to a clamp meant for holding small parts steady rather than applying heavy pressure across a wide panel. It is easy to position one-handed, which suits fiddly assembly work.
Specifications
| Brand | Irwin |
|---|---|
| Model | 165 |
| Item Weight | 4 ounces |
Other Irwin clamps
How it compares
This product against the closest alternatives we track in clamps.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| IRWIN 165 ClampThis product | 4.4 / 5 | 758 | 3.9 / 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 |
| 10 WRDG Clamp10 | 4.4 / 5 | 5,270 | 4.4 / 5 |
Similar clamps from other brands
Questions about the Irwin 165
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How much does the IRWIN 165 weigh?
0.25 pounds.
What size is the IRWIN 165 clamp?
It measures 5.31 inches, putting it in the small clamp category.
Is the IRWIN 165 suited to heavy duty clamping?
The available specs list only its small size and light weight, so it reads as a light duty clamp rather than a heavy duty one.