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

• Versatile 3-piece set includes 3 in., 6 in., and 10 in. extensions.
• Dual-function design: use as a standard extension or partially insert for 'wobble' pivoting access in tight areas.
• Constructed from cold-formed and fully heat-treated alloy steel for maximum strength.
• Corrosion-resistant finish ensures long-lasting durability.
• Large, hard-stamped size markings for quick and easy identification.
• Integrated ball detent securely holds sockets in place.
• Chamfered lead-ins allow for fast and easy placement onto tools and sockets.
• Knurled shaft surface improves grip during use.
• Meets or exceeds ANSI standards for quality and performance.