CRAFTSMAN CMMT42914 Wrench
- Wrench
- 0.4 inches
- 5.5 inches
- Better rated than 72%
- More reviewed than 84%
A compact, single-size 10 millimeter wrench from Craftsman, useful if that exact size is the gap in your toolbox.
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How it ranks among the 561 wrenches we track
4.8★ across 2,850 Amazon ratings, Bayesian-smoothed toward the category average.
2,850 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
100+ 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 CMMT42914 is a wrench measuring 5.5 inches in length with a 10 millimeter capacity, sized for smaller fasteners on bikes, small engines and household repairs. Craftsman markets this line as garage and workshop hand tools.
A 5.5 inch overall length keeps this wrench compact enough for tight engine bays or cramped cabinet spaces, while the 10 millimeter capacity narrows its use to that one fastener size. It is a targeted tool rather than a multi-size set.
- 5.5 inch overall length
- 10 millimeter capacity
- Craftsman brand
- Single wrench, not a set
Who it's for
DIYers and home mechanics who need a 10 millimeter wrench in a compact 5.5 inch length for tight spaces. Not useful to anyone needing a range of sizes, since this is a single-size wrench.
Strengths and trade-offs
Drawn from this product's published specifications.
- Compact 5.5 inch length fits tight spaces
- Craftsman brand for garage and household use
- Single 10 millimeter size not a set
- Short length limits leverage on stubborn fasteners
Performance notes
The 5.5 inch length is short enough to work in tight spaces where a full-length wrench would not fit, while still giving enough leverage for a 10 millimeter fastener. Craftsman's hand tools in this range are built for everyday garage and household torque, not heavy industrial loads.
Specifications
| Brand | Craftsman |
|---|---|
| Model | CMMT42914 |
| Capacity | 0.4 inches |
| Length | 5.5 inches |
Other Craftsman wrenches
How it compares
This product against the closest alternatives we track in wrenches.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| CRAFTSMAN CMMT42914 WrenchThis product | 4.8 / 5 | 2,850 | 4.2 / 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 CMMT42914
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What size fastener does the Craftsman CMMT42914 fit?
It has a 10 millimeter capacity.
How long is the Craftsman CMMT42914?
5.5 inches.
Does the Craftsman CMMT42914 come as part of a set?
No, it is listed as a single wrench.