The STANLEY STMT86407-8B 1/2-Inch Drive 5-Inch (125mm) Extension Bar is a professional socket accessory designed to extend the reach of 1/2-inch drive ratchets, handles, and compatible socket tools. It is particularly useful for accessing fasteners located in recessed, deep, or difficult-to-reach areas.

STANLEY's product range identifies the STMT86407 as a 1/2-inch drive, 5-inch extension, while STANLEY's extension-bar specifications for the corresponding 125mm model identify Chrome Vanadium steel construction and compliance with relevant ANSI B107.10M, ISO 3316, and DIN 3123 standards.

Product Features

• 1/2-Inch Drive: Compatible with suitable 1/2-inch drive ratchets, handles, and sockets.
• 5-Inch / 125mm Length: Provides additional reach for accessing recessed and hard-to-reach fasteners.
• Chrome Vanadium Steel: Provides strength and durability for regular hand-tool applications.
• Professional Socket Accessory: Designed for use with compatible manual socket tools.
• Improved Fastener Access: Helps extend the working reach when standard sockets cannot conveniently reach the fastener.
• Secure Socket Connection: Square-drive design helps connect compatible sockets and drive tools securely.
• Versatile Workshop Use: Suitable for automotive, mechanical, maintenance, assembly, and repair applications.
• Compact Design: Easy to store and carry as part of a professional socket-tool collection.
• Standards Compliance: The corresponding STANLEY 125mm extension specification references ANSI B107.10M, ISO 3316, and DIN 3123.

Product Specifications

The STANLEY STMT86407-8B is suitable for:

• Automotive repair and servicing
• Garage applications
• Mechanical workshops
• Machinery maintenance
• Socket and ratchet work
• Fastener removal and installation
• Recessed fastener access
• Equipment assembly
• General maintenance and repair