WORKPRO 1/2-Inch Drive Impact Extension Bar Set, CR-MO Steel — Open-Box, 39% Off

Premium CR-MO: This impact extension bar set is made from premium CR-MO steel and heat-treated for high strength and excellent toughness. The surface is coated with black manganese phosphate to resist rust and corrosion for enhanced durability, and laser-etched brand and size markings are easy to read.

Multiple Sizes: This 1/2" extension set includes three commonly used sizes—3", 6", and 8"—to handle different fastening tasks and applications.

High Compatibility: This 1/2" drive extension set is compatible with electric, pneumatic, and manual ratchets, breaker bars, and other 1/2" square drive tools for versatile use across a wide range of applications.

Comfortable & Ergonomic Design: The drive end has a multi-purpose pinhole to ensure the extension bar can be firmly seated on the drive handle. The end of the impact extension bar has a detent ball that forms a locking mechanism that prevents the extension bar from falling, increasing its stability and safety.

Reach Hard-to-Access Fasteners: This 1/2" impact extension set helps extend the reach of your tools to access deep or hard-to-reach fasteners, improving efficiency for automotive repair, equipment maintenance, and assembly applications.

WORKPRO Impact Extension Bar Sets are made from premium chrome molybdenum steel by heat treatment for high hardness and good toughness, the surface is coated with Manganese Phosphate to prevent rust and corrosion for durability, and Laser-etched brand and size words are easy to read.