SPEEDWOX TZMCW2A-139 Wrench
- Wrench
- 8.5 ounces
- 6.6 inches
- More reviewed than 68%
At 16.7 centimeters and 240 grams, the TZMCW2A-139 reads as a mid sized wrench for general repair tasks, backed by a 4.6 star rating, though the specific jaw or socket size is not listed.
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How it ranks among the 561 wrenches we track
4.6★ across 1,378 Amazon ratings, Bayesian-smoothed toward the category average.
1,378 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
200+ 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 SPEEDWOX TZMCW2A-139 is a wrench measuring about 16.7 centimeters long and weighing 240 grams, sized for mid range fastener work rather than heavy automotive torque. It carries a 4.6 star rating across 1,378 reviews.
At roughly half a pound, this wrench sits in a middle size range, longer and heavier than the small combination sets aimed at electronics or hobby work, but well short of the long handled wrenches built for high torque jobs. SPEEDWOX is a lesser known brand, so the review volume here is a more telling signal than brand recognition alone.
- About 16.7 centimeters long
- Weighs about 240 grams
- 4.6 star average rating
- SPEEDWOX TZMCW2A-139 model
Who it's for
General household and light mechanical repair work, where a single mid sized wrench covers common fasteners, fits this product's dimensions. Buyers needing a full set spanning many sizes, or a wrench built for high torque automotive bolts, should look elsewhere.
Strengths and trade-offs
Drawn from this product's published specifications.
- 4.6 star rating across 1,378 reviews
- About 200 bought in the past month
- Mid sized length suits general repair work
- Specific fastener size not listed
- No description text to confirm material
- Sold as a single wrench, not a set
Performance notes
A wrench of this length and weight class sits between compact hobby tools and long handled torque wrenches, generally suited to turning fasteners by hand with moderate leverage rather than breaking loose seized or heavily torqued bolts. The exact size it fits is not listed in the available specifications.
Specifications
| Brand | SPEEDWOX |
|---|---|
| Model | TZMCW2A-139 |
| Item Weight | 8.5 ounces |
| Length | 6.6 inches |
Other SPEEDWOX wrenches
How it compares
This product against the closest alternatives we track in wrenches.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| SPEEDWOX TZMCW2A-139 WrenchThis product | 4.6 / 5 | 1,378 | 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 SPEEDWOX TZMCW2A-139
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How long is the SPEEDWOX TZMCW2A-139?
It measures about 16.7 centimeters.
How much does it weigh?
It weighs about 240 grams.