KLEIN TOOLS 65721 3/8" Drive Socket Extension

Precision Access for Tight Spaces
This compact 3/8"-drive socket extension gives your wrench the perfect reach for confined areas. At just 1¾" long, it's ideal for mechanics and tradespeople who need to access recessed fasteners without compromising torque efficiency.

Professional-Grade Construction

• Forged alloy steel core withstands heavy daily use

• Chrome-plated finish resists rust and corrosion

• Precision-machined square drives (3/8" female input / 3/8" male output) ensure secure socket connection

• SAE-standard compatibility

Key Specifications:

• Drive Size: 3/8" (input & output)

• Length: 1¾"

• Drive Type: Square

• Material: Alloy steel

• Finish: Chrome plating

• Gender: Female input / Male output

Usage Notes:

• Not impact-rated - for hand tool use only

• Non-insulated, non-sparking

• Always verify secure socket engagement before use

Ideal For:
✔ Automotive repair
✔ Equipment maintenance
✔ Tight-clearance mechanical work