3 Pc 3/8" Drive Locking Extension Set - SK Hand Tool

The SK Hand Tool 4516 3/8 In. Drive Locking Extension Set is engineered for professional technicians requiring secure socket retention and enhanced reach in demanding automotive and industrial environments. This 3-piece set effectively prevents socket loss, improving efficiency and providing crucial access to fasteners in confined or obstructed work areas, ensuring a reliable connection for critical tasks.

Key Features

• Positive Locking Retention: Features SK’s SureGrip® lock and ball detent system, ensuring secure socket retention and preventing accidental detachment on fasteners or in hard-to-reach locations.
• Professional-Grade Durability: Constructed from high-strength alloy steel with SK’s high-polish SuperKrome® finish, offering exceptional corrosion resistance and a long service life in harsh professional settings.
• Versatile Extended Reach: Includes extensions in 7-1/2", 13-1/2", and 19-1/2" lengths, providing the necessary access for recessed fasteners on modern vehicles and various industrial machinery.
• Enhanced Control: A diamond knurled grip section ensures secure handling, even when working with oily or gloved hands, for improved user control and safety.
• Made in USA: Manufactured in the U.S.A., ensuring consistent quality and reliable performance for professional automotive and industrial applications.

Applications

This extension set is an indispensable tool for automotive repair, particularly on modern cars, SUVs, and light-duty trucks, where access is often restricted by components like intake manifolds, frames, and suspension systems. It is commonly utilized for tasks involving spark plugs, engine accessories, transmission and transfer case fasteners, and general undercarriage work. Beyond automotive, it is highly effective for industrial maintenance, assembly, and other mechanical tasks requiring efficient access to deep, narrow, or obstructed fasteners.

Specifications

• Manufacturer: SK Hand Tool
• Model / Part Number: 4516
• Drive Size: 3/8 in.
• Set Configuration: 3-piece locking extension set
• Extension Lengths: 7-1/2", 13-1/2", 19-1/2"
• Weight: 2.7 lb