A white background studio shot displaying the entire contents of the 121-piece Crescent mechanics tool set laid out, including ratchets, sockets, extensions, hex keys, bit driver, and various bits.
An overhead view of the open gray and red blow mold case for the Crescent 121-piece tool set, showing all tools neatly organized within their custom-fit compartments against a white background.
A white background studio shot showcasing a large organized collection of chrome sockets from the 121-piece set, arranged in rows by size and depth, highlighting both standard and deep well options.
A white background studio shot focusing on the chrome ratchets and extensions from the tool set, including a 1/4" drive ratchet, a 3/8" drive ratchet, and two chrome extensions, highlighting their polished finish.
A white background studio shot displaying smaller accessories from the tool set, including two sets of red hex keys, a black bit set, and a red and black bit driver with a chrome shaft.
The closed packaging of the Crescent 121-piece Professional Tool Set, displaying the tool case with a red handle, the Crescent logo, "121 pc," and key features like "Lifetime Warranty," "Alloy Steel," and socket size distribution.
The 121-piece Crescent mechanics tool set opened on a wooden workbench, showcasing the organized sockets, ratchets, and other tools within its gray case, with engine parts and a red cloth nearby
A close-up of a person wearing black gloves using a chrome ratchet and socket to tighten a bolt on a car engine, showing intricate engine components.
A white background studio shot displaying the entire contents of the 121-piece Crescent mechanics tool set laid out, including ratchets, sockets, extensions, hex keys, bit driver, and various bits.
An overhead view of the open gray and red blow mold case for the Crescent 121-piece tool set, showing all tools neatly organized within their custom-fit compartments against a white background.
A white background studio shot showcasing a large organized collection of chrome sockets from the 121-piece set, arranged in rows by size and depth, highlighting both standard and deep well options.
A white background studio shot focusing on the chrome ratchets and extensions from the tool set, including a 1/4" drive ratchet, a 3/8" drive ratchet, and two chrome extensions, highlighting their polished finish.
A white background studio shot displaying smaller accessories from the tool set, including two sets of red hex keys, a black bit set, and a red and black bit driver with a chrome shaft.
The closed packaging of the Crescent 121-piece Professional Tool Set, displaying the tool case with a red handle, the Crescent logo, "121 pc," and key features like "Lifetime Warranty," "Alloy Steel," and socket size distribution.
The 121-piece Crescent mechanics tool set opened on a wooden workbench, showcasing the organized sockets, ratchets, and other tools within its gray case, with engine parts and a red cloth nearby
A close-up of a person wearing black gloves using a chrome ratchet and socket to tighten a bolt on a car engine, showing intricate engine components.
1 Top Tools

Crescent 121-Piece Professional Mechanics Tool Set - 1/4" & 3/8" Drive Standard & Deep SAE/Metric Sockets

In stock
SKU: CTK121C
$106.75
Description

šŸ›  Master Every Job: The Ultimate 121-Piece Crescent SAE/Metric Mechanics Tool Set

Unleash professional-grade performance with the Crescent 121-Piece Mechanics Tool Set (CTK121C), the essential collection for industrial, mechanical, and automotive applications. This comprehensive kit features both 1/4-inch and 3/8-inch drive sizes, combining a robust assortment of Standard and Deep Sockets in both SAE and Metric measurements. Whether you're tackling routine maintenance or complex engine work, this set provides the durability and precision demanded by professionals and serious DIYers. Optimized for search, this versatile socket and ratchet set is a must-have for any well-equipped garage or workshop.

Every tool in this high-quality set is engineered from premium chrome alloy steel for superior strength and longevity. The 72-tooth quick-release ratchets offer excellent access in tight spaces, requiring only a 5-degree swing arc. Designed to meet or exceed stringent ANSI and ASME specifications, this mechanics tool set ensures reliable performance and maximum fastener contact thanks to its innovative off-corner loading technology, which virtually eliminates stripping and rounding.

Key Features

  • 121-Piece Comprehensive Set: Carefully curated assortment of hand tools for most mechanical and consumer applications.
  • 72-Tooth Quick Release Ratchet: Provides a tight 5-degree swing arc for superior access in confined areas.
  • Off-Corner Loading Technology: Sockets grip the sides of the fastener, significantly reducing rounding and increasing torque.
  • Chrome Alloy Steel Construction: Manufactured for exceptional strength, durability, and a longer tool lifespan.
  • Full Polish Chrome Finish: Bright, corrosion-resistant finish that is easy to wipe clean.
  • Ergonomic Dual Material Bit Driver: Offers added comfort, strength, and leverage for fastening bits.
  • Meets or Exceeds Standards: All tools meet or exceed current ANSI and ASME specifications for guaranteed quality.
  • Blow Mold Case Included: Robust, organized storage solution for portability and protection.

What's Included

This 121-piece set contains a full array of 6-point and 12-point sockets (Standard and Deep) in 1/4" and 3/8" drives, 72-tooth ratchets, extensions, and an ergonomic bit driver handle. Key components include:

  • 1/4" Drive 72-Tooth Quick Release Teardrop Ratchet (CR14)
  • 3/8" Drive 72-Tooth Quick Release Teardrop Ratchet
  • 1/4" Drive 6 Point Deep Metric Sockets (6mm, 8mm, 9mm, 10mm, 12mm)
  • 3/8" Drive 6 Point Deep SAE Sockets (7/16", 9/16", 5/8", 11/16", 3/4")
  • 1/4" Drive 6 Point Standard Metric Sockets (6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 13mm)
  • 3/8" Drive 12 Point Standard SAE Sockets (1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 3/4")
  • 3/8" Drive 12 Point Standard Metric Sockets (7mm, 9mm, 10mm, 11mm, 12mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm)
  • Assorted SAE/Metric Deep and Standard Sockets (Total of 65 Sockets)
  • 1/4" Drive Dual Material Bit Holding Screwdriver Handle (CRW25C)
  • Storage Case (Blow Mold Case)
  • Additional Adaptors and Extensions

Specifications

Specification Detail
Set Piece Count 121
Drive Tang Size 1/4 in, 3/8 in
SAE/Metric/Torx SAE/Metric
Tooth Count 72
Quick Release Yes
Ratchet Head Style Teardrop
Length Format Standard/Deep
Material Alloy Steel
Finish Full Polish Chrome
Set Size Range Min/Max 5/32 in (4mm) to 3/4 in (19mm)
Included Storage Blow Mold Case
Weight (Catalog) 12.050 lb
Warranty Full Lifetime
ASME/ANSI Specification Meets or Exceeds
UPC 037103342188

šŸ”§ Pro Tip

The 72-tooth ratchet is a game-changer when working in confined engine bays or tight under-dash areas. Utilize the deep sockets with a small extension for reaching bolts on suspension components or spark plugs, while the standard sockets are perfect for everyday fastening tasks. Always ensure your blow mold case is properly latched to keep your extensive collection organized and secure.