CRAFTSMAN CMMT87021 Wrench
- Wrench
- 3 pounds
- 9.6 inches
- Better rated than 98%
A heavier duty 9.6 inch Craftsman wrench at about 3 pounds, though the listing leaves jaw size, drive size and wrench type unconfirmed.
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How it ranks among the 561 wrenches we track
4.9★ across 378 Amazon ratings, Bayesian-smoothed toward the category average.
378 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 561 wrenches we track - how the scorecard works · full wrenches 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 Craftsman CMMT87021 is a 9.6 inch wrench weighing about 3 pounds, a combination that points to a solidly built, heavier duty tool rather than a light finishing wrench.
No jaw size, drive size or wrench type, such as open end, box or adjustable, is given in the attribute data, so the exact application is not confirmed beyond its length and weight.
- 9.6 inch length
- About 3 pound weight
- Craftsman CMMT87021 model
Who it's for
Fits mechanics or DIY users who already know the specific fastener this model is meant for. Not a fit for buyers who need jaw or drive size confirmed before ordering.
Strengths and trade-offs
Drawn from this product's published specifications.
- Solid build weight for its length
- Jaw size, drive size and wrench type not specified
- No description or reviews provided
Performance notes
At roughly 3 pounds for a 9.6 inch length, this wrench carries noticeably more heft per inch than a typical lightweight wrench, suggesting thicker steel built for higher torque work.
Specifications
| Brand | Craftsman |
|---|---|
| Model | CMMT87021 |
| Item Weight | 3 pounds |
| Length | 9.6 inches |
Other Craftsman wrenches
How it compares
This product against the closest alternatives we track in wrenches.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| CRAFTSMAN CMMT87021 WrenchThis product | 4.9 / 5 | 378 | 4.1 / 5 |
| Amazon AMZ1715 WrenchAmazon | 4.7 / 5 | 14,700 | 4.6 / 5 |
| Wheeler 553556 WrenchWheeler | 4.8 / 5 | 17,300 | 4.6 / 5 |
| LEXIVON LX-145 WrenchLEXIVON | 4.8 / 5 | 14,700 | 4.6 / 5 |
| MALCO MSHMLC WrenchMalco | 4.8 / 5 | 14,300 | 4.6 / 5 |
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Questions about the Craftsman CMMT87021
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How long is the Craftsman CMMT87021?
9.6 inches, per the listed length.
How much does it weigh?
About 3 pounds according to the spec sheet.