Apex 81301 Wobble Extension Set 1/2 Inch Drive

Product Description

The APEX 81301 is a three-piece wobble extension set with a 1/2 inch drive, designed for trade and industrial use where access to fasteners is limited by obstructions or awkward angles. The set includes 5 inch, 10 inch, and 15 inch extensions. Each extension functions as a standard rigid extension when the socket is fully seated, or as a wobble extension when the socket is partially inserted, allowing the drive to flex and reach fasteners that a straight-line approach cannot. A ball detent mechanism holds the socket firmly in place during use, reducing the risk of dropped sockets in tight spaces.

This set is suited for mechanical, HVAC, plumbing, and electrical tradespeople who work in confined areas such as equipment cabinets, wall cavities, and mechanical rooms. The three included lengths cover a wide range of reach requirements without the need for multiple adapters. The wobble function is particularly useful when working around conduit runs, pipe bundles, or structural framing where a straight approach is blocked.

Key Features

• Three-length set: 5 inch, 10 inch, and 15 inch extensions included
• Dual function: acts as a standard extension when fully inserted, wobble extension when partially inserted
• Ball detent retains socket securely during use
• 1/2 inch drive compatible with standard 1/2 inch drive sockets
• Allows access to fasteners at angles where straight extensions cannot reach

Compatibility

Designed as a standard-fitment replacement or addition for 1/2 inch drive socket sets and ratchet systems.

Installation Notes

This extension set is used by licensed tradespeople and mechanics working with 1/2 inch drive ratchets and torque wrenches. Always ensure the socket is properly seated on the extension before applying torque. When using the wobble function, be aware that angled engagement can reduce effective torque transmission, so avoid using wobble mode for high-torque final fastening where a straight extension can be substituted.

Technical Specifications

• Drive Size: 1/2 inch
• Included Lengths: 5 inches, 10 inches, 15 inches
• Number of Pieces: 3
• Weight: 2.98 pounds
• UPC: 099575813016

Standard Information

• Brand: APEX
• Manufacturer Part Number: 81301