Engineered from cold-formed, heat-treated alloy steel, this 3-piece set provides outstanding strength and corrosion resistance. The versatile design allows you to use them as standard extensions or partially insert sockets to achieve a 'wobble' effect for accessing hard-to-reach fasteners.

• Versatile 2-in-1 design: Use as standard extensions or partially insert sockets for a 'wobble' pivot to access tight spaces.
• High-strength construction: Made from cold-formed and fully heat-treated alloy steel for maximum durability.
• Complete 3-piece set: Includes 3 in., 5 in., and 10 in. extensions to suit various task requirements.
• Enhanced security and ease of use: Features a ball detent to secure sockets and chamfered lead-ins for fast tool placement.
• Easy identification: Large, hard-stamped size markings allow for quick recognition in your toolbox.
• Improved handling: Knurled shaft surface provides a better grip during use.
• Corrosion resistant: Finished to withstand wear and environmental exposure.
• Professional standard: Meets or exceeds ANSI standards for reliable performance.