
Craftsman 135-Piece Mechanics Tool Set 8 inch
Score: 88/100
Craftsman 189-Piece Mechanics Tool Set
Score: 81/100Rankings

The Craftsman CMMT12124 is a 135-piece mechanics tool set featuring low-profile 72-tooth ratchets with a 5° arc swing and thinner heads for improved access in tight spaces. It includes a comprehensive assortment of SAE and metric sockets, wrenches, and drive tools housed in a durable blow-molded case with a full lifetime warranty. It is highlighted as reliable for basic maintenance to complex repairs, with the low-profile design and chrome finish standing out for professional-grade feel.

The Craftsman CMMT12134 is a 189-piece mechanics tool set designed for DIY enthusiasts, featuring low-profile 72-tooth ratchets and broad SAE/Metric coverage. Its main limitation is the omission of specific metric sizes like 20 mm and 23 mm in the 1/2-inch drive range. It is best suited for homeowners and beginner mechanics starting their tool collections.
| Attribute | ![]() | ![]() |
|---|---|---|
135 | 189best | |
72 teethbest | 72 teethbest | |
| ↓ lower better | 9.8 lbsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Set Composition(1) | ||
Total Piece Count | 135 | 189 |
Build & Durability(2) | ||
Tool Material | Alloy Steel | Chrome Vanadium Steel |
Surface Finish | Full polished chrome | Polished Chrome |
Compatibility & Sizing(4) | ||
Drive Size | 1/4, 3/8, and 1/2 inch | 1/4, 3/8, 1/2 |
Measurement System | SAE and Metric | SAE/Metric |
Socket Type | 6-point and 12-point | Shallow, Deep |
Socket Points | 6-point and 12-point | 6-Point, 12-Point |
Portability & Storage(2) | ||
Case Type | Blow-molded hard plastic | Blow-Molded |
Set Weight (lbs) | 9.80 lbs | Unknown lbs |
Application & Standards(2) | ||
Intended Use | DIY and Automotive | DIY/General Repair |
Standards Compliance | ASME | Unknown |

Products in the top-left offer the best value (high score, low price).

Professional sources praise the set's high quality, durability, and versatility, noting the wide variety of tools, smooth ratchet operation, and sturdy case for organization. It is highlighted as reliable for basic maintenance to complex repairs, with the low-profile design and chrome finish standing out for professional-grade feel.
Consumers commonly praise the wide tool variety covering SAE/metric sizes, smooth and comfortable ratchets, durability for everyday projects, and organized case. Recurring complaints are minimal in sources, but some note the case's bulkiness; overall, it's seen as indispensable for DIYers.



Professional reviewers and editors praise the Craftsman CMMT12134 for its versatility and build quality, describing it as a 'do-everything set that grows with you.' Sources highlight its ideal suitability for car maintenance, furniture assembly, and general projects due to the broad 6/12-point coverage across all drive sizes.
Everyday users and indirect retailer feedback emphasize the value of this set as a starter kit for homeowners and DIY enthusiasts. The primary praise centers on the comprehensive piece count, the durability of the storage case, and the security of the Full Lifetime Warranty. While there are no recurring major complaints, some users note potential frustration regarding specific missing sizes, such as the 20 mm socket.
