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The SK 45164 is a 3/8 inch drive standard socket extension designed for professional use in mechanical, HVAC, plumbing, and electrical service work. At 24 inches overall length (OAL), it provides deep reach into confined spaces where shorter extensions cannot access fasteners. The chrome-plated finish resists corrosion and makes the tool easier to clean after use in greasy or dirty environments. This extension is built for technicians who need reliable torque transfer on a 3/8 inch drive ratchet setup without flex or slop at the connection point.
This extension is suited for residential and commercial service applications where access to recessed fasteners is required — common in equipment panels, air handler cabinets, electrical enclosures, and mechanical rooms. The 24 inch length is especially useful when working around ductwork, pipe runs, or conduit that blocks direct tool access. Technicians in HVAC, refrigeration, plumbing, and general mechanical trades will find this length practical for service calls and installation work alike.
Designed for use with standard 3/8 inch drive ratchets and sockets. Fits any 3/8 inch drive tool system conforming to standard square drive dimensions.
This extension is installed by a qualified technician or mechanic as part of a 3/8 inch drive socket set. Ensure the drive connection is fully seated before applying torque to avoid slippage or rounding fastener heads. When working near live electrical panels or energized equipment, follow applicable NEC guidelines and de-energize circuits before beginning fastener work. Keep the extension clean and inspect the drive ends for wear before each use.
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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