
Craftsman 189-Piece Mechanics Tool Set
Score: 81/100
Craftsman 105-Piece Mechanics Tool Set 8 inch
Score: 85/100Rankings

The Craftsman CMMT12123L is a 105-piece mechanics tool set featuring 1/4-inch and 3/8-inch drive sockets, ratchets, and bits in both SAE and Metric sizes. It is designed for DIYers and automotive enthusiasts, offering low-profile ratchets with a 5-degree arc swing and a durable chrome finish housed in a portable blow-molded case. While noted as a perfect addition for semi-pros, editors caution that it is not intended for heavy professional use due to its limited drive sizes.

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 | ![]() | ![]() |
|---|---|---|
189best | 105 | |
72 teethbest | 72 teethbest | |
| ↓ lower better | — | 13.8 lbsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Set Composition(1) | ||
Total Piece Count | 189 | 105 |
Build & Durability(2) | ||
Tool Material | Chrome Vanadium Steel | Chrome Steel |
Surface Finish | Polished Chrome | Full polished chrome |
Compatibility & Sizing(4) | ||
Drive Size | 1/4, 3/8, 1/2 | 1/4 and 3/8 inch |
Measurement System | SAE/Metric | SAE and Metric |
Socket Type | Shallow, Deep | 6-point |
Socket Points | 6-Point, 12-Point | 6-point |
Portability & Storage(2) | ||
Case Type | Blow-Molded | Blow-molded hard plastic |
Set Weight (lbs) | Unknown lbs | 13.8 lbs |
Application & Standards(2) | ||
Intended Use | DIY/General Repair | DIY and Automotive |
Standards Compliance | Unknown | ASME |

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

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.

“well-made”

“range to cover it all”



Professional reviewers and editors highlight the Craftsman CMMT12123L as a valuable starter set for automotive enthusiasts and DIYers. They praise its superior ratchet access in tight spaces, organized storage, and ASME compliance. While noted as a perfect addition for semi-pros, editors caution that it is not intended for heavy professional use due to its limited drive sizes.
Everyday consumers generally praise the ratchet performance in tight spots and the versatility of the socket variety for cars and lawn equipment. The lifetime warranty is a significant positive factor. However, recurring complaints focus on the limited drive sizes (no 1/2-inch) and the lack of wrenches, with some users noting it falls short for heavy professional tasks.
