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CRAFTSMAN

CRAFTSMAN Mechanics Tool Set, 298 Piece Hand Tool and Socket Set SAE/Metric (CMMT12139)

  • Based on 384 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Feb 24
Order within 8 hours and 49 minutes
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Features

  • LOW PROFILE RATCHET: Up to 25% thinner head* for access in tight spaces (1/4" DR & 3/8" DR only as compared to CMMT81747, CMMT81748, & CMMT81749)
  • 72-TOOTH RATCHET: Delivers 5 degree arc swing
  • ORGANIZATION: Tools packed into plastic trays for organization and storage
  • ALL IN ONE MECHANICS SET: Contains a full assortment of sockets, ratchets, wrenches, and specialty bits for automotive enthusiasts and mechanics
  • CORROSION RESISTANCE: Full Polish Chrome Finish
  • FULL LIFETIME WARRANTY

Description

This all-in-one 298 pc. Mechanics Tool Set comes equipped with 1/4-in., 3/8-in., and 1/2-in. drive improved low profile 72-Tooth ratchets with a 5° arc swing and up to a 25% thinner head that helps deliver greater access in confined spaces. Packed with a comprehensive assortment of 6-point and 12-point sockets, ratcheting wrenches, and drive tool accessories, this set is perfect for automotive and DIY repairs or as a complete starter set. Tools come assembled in plastic trays for easy organization. Proudly backed by a Full Lifetime Warranty. 1/4” DR and 3/8” DR Only As Compared To CMMT81747, CMMT81748, & CMMT81749

Manufacturer: ‎CRAFTSMAN


Part Number: ‎CMMT12139


Item Weight: ‎43.7 pounds


Product Dimensions: ‎30 x 12 x 10 inches


Item model number: ‎CMMT12139


Style: ‎NEW 298 Piece Set


Power Source: ‎hand_powered


Item Package Quantity: ‎1


Included Components: ‎(166) Sockets, (23) Wrenches, (29) Accessories, (3) Ratchets, (33) Specialty bits, (44) Hex keys


Batteries Included?: ‎No


Batteries Required?: ‎No


Warranty Description: ‎Full Lifetime Warranty


Date First Available: March 18, 2024


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Feb 24

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Excellent value for the money and pretty much everything you need.
Style: NEW 298 Piece Set
Review Image by Jeffrey Smith Jeffrey Smith
Fantastic set of tools at a very reasonable price and top quality.
Reviewed in the United States on December 30, 2025 by Jeffrey Smith Jeffrey Smith
    • Perfect All-in-One Tool Set!
Style: NEW 298 Piece Set
This CRAFTSMAN 298-piece set is a must-have! Durable, well-organized, and great value with both SAE/Metric sizes. Highly recommended for DIYers and pros alike.
Reviewed in the United States on April 25, 2025 by Leila Arambula
    • Good set
Good quality set. I think it's a little overpriced but its quality.
Reviewed in the United States on May 7, 2025 by Brad H.
    • Mejor autocle
Style: NEW 298 Piece Set
Es el más completo por las llaves con matraca que hacen más fácil cualquier reparación
Reviewed in the United States on October 20, 2025 by Marcelo Balderrama
    • Craftsman still hanging in there
Style: NEW 298 Piece Set
it was decent and complete I got it used Amazon did a good job making sure it was full and complete build quality is decent pretty good bang for your buck good for DIY and entry level professional
Reviewed in the United States on January 8, 2026 by Carol Baldwin
    • Y si funciona
Style: NEW 298 Piece Set
Lo compré por los dados Ale
Reviewed in the United States on September 28, 2025 by Amazon Customer
    • Love it
If you're looking to get into tech work or just need a good set for around the house, look no further. This set contains an amazing amount of value. Good quality tools, decent plastic trays for organization and if you misplace or damage anything it's nothing a quick trip to Lowe's won't resolve!
Reviewed in the United States on September 25, 2022 by Kyle Dovel
    • Husband happy
It included everything that my husband needed to work on. Pretty much everything. He's a wonderful gift
Reviewed in the United States on January 1, 2025 by Vicky B.

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