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The TEKTON SHA01112 is a 1/4 inch drive socket extension measuring 12 inches in overall length. Socket extensions transfer torque between a ratchet handle and a socket, allowing access to fasteners in recessed or obstructed locations. This extension fits into the standard 1/4 inch drive square used across ratchets, breaker bars, and torque wrenches in that drive family. It is a common tool for automotive, HVAC, plumbing, and general mechanical work where direct ratchet access is limited. The compact 1/4 inch drive size is suited for smaller fasteners and tight spaces where control and precision matter more than high-torque output.
This extension is appropriate for light-duty to medium-duty applications on residential and commercial service calls. Typical uses include panel work, equipment servicing, and underdash or underhood fastener access where a shorter extension would not bridge the gap. Technicians working in HVAC equipment cabinets, electrical enclosures, or plumbing access panels will find the 12 inch length useful for reaching fasteners set deep behind components or behind sheet metal flanges.
Designed as a standard 1/4 inch drive accessory compatible with 1/4 inch drive ratchets, torque wrenches, breaker bars, and sockets following the standard square drive interface.
No installation is required for this hand tool. Ensure the socket and extension are fully seated on the drive square before applying torque to prevent slippage or rounding of the drive. Inspect the extension for cracks or deformation before each use, and do not use extension bars as pry tools or striking surfaces. Store in a dry location to prevent corrosion of the drive square.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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