Socket Extension Hazet 917-1 12.5 mm (1/2") – extension bar for 1/2-inch drive

Hazet 917-1 12.5 mm (1/2") socket extension is a precision tool made to increase reach and access when working with a 1/2-inch drive ratchet or breaker bar. The extension bar provides a straight, solid connection between the drive tool and sockets, allowing reliable torque transfer to recessed or hard-to-reach fasteners in automotive, industrial and general workshop environments.

Advantages

The extension bar is manufactured from hardened steel with a corrosion-resistant finish to withstand repeated use and high torque. Dimensional accuracy ensures a tight fit with standard 1/2-inch drive sockets and ratchets, reducing play and improving safety during tightening or loosening operations. Its compact profile allows insertion into narrow engine bays and machinery cavities while maintaining strength for reliable operation.

Suitable for

• Extending reach to recessed bolts and nuts in engines and gearboxes
• Accessing fasteners in confined spaces of industrial machinery
• General workshop repairs and maintenance requiring a 1/2-inch drive
• Automotive servicing where extra length prevents tool interference

Key specifications

• Drive size: 12.5 mm (1/2")
• Type: straight socket extension bar
• Material: hardened steel with protective finish
• Function: extends reach for 1/2-inch drive sockets and ratchets

How to use

Fit the extension onto the square drive of a compatible 1/2-inch ratchet or breaker bar until the detent or locking mechanism engages. Attach the appropriate socket to the opposite end of the extension. Apply torque smoothly while maintaining alignment between the drive tool, extension and socket to avoid side loading. When finished, depress the socket release (if present) and remove the socket and extension from the drive tool.

Usage recommendations

Use the extension only with sockets and drive tools rated for 1/2-inch drives; avoid applying shock loads with impact tools not intended for this extension. Regularly inspect the extension for wear or deformation and replace if any damage is detected. Store in a dry place to preserve the protective finish.