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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 Thursday, Jun 11
Order within 15 hours and 56 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

Color: Silver


Brand: CRAFTSMAN


Material: Chrome Plated Steel


Item Package Quantity: 1


Head Style: ratchet, open end, box end


Head Style: ratchet, open end, box end


Measurement Standard: SAE


Brand Name: CRAFTSMAN


Model Number: CMMT12139


Set Name: Mechanics Tool Set


Manufacturer: CRAFTSMAN


UPC: 885911929059


Global Trade Identification Number: 59


Manufacturer Part Number: CMMT12139


Item Type Name: Sockets & Ratchets


Unit Count: 1.0 Count


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


Package Quantity: 1


Jaw Capacity: 0.25 Inches


Material Type: Chrome Plated Steel


Color: Silver


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Jun 11

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

    • Would buy again and again
Style: NEW 298 Piece Set
From a professional mechanic this is a great diy kit or for at home sure. When you spend 1000s and 1000s on tools for work this a perfect for at home
Reviewed in the United States on May 22, 2026 by Cory
    • Excellent value for the money and pretty much everything you need. Excellent value for the money and pretty much everything you need.
Style: NEW 298 Piece Set
Review Image by Jeffrey Smith
Fantastic set of tools at a very reasonable price and top quality.
Reviewed in the United States on December 30, 2025 Reviewed in the United States on December 30, 2025 by Jeffrey Smith
    • Craftsman Tools are still good
Style: NEW 298 Piece Set
I have always liked the Craftsman brand for regular mechanics tools. My son needed tools so I gave him all my used ones in perfect condition and then bought me a new set. The tools come in trays that fit right into the drawers of my new top and bottom chest. Why didn't I buy my son the new set you ask? Because he'll lose them and I like the nice new shiny ones. ... show more
Reviewed in the United States on January 25, 2026 by Rich
    • 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
    • toos
Style: NEW 298 Piece Set
good tools
Reviewed in the United States on February 2, 2026 by Brent Hansen
    • 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
    • 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
    • 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

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