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The WILLIAMS COMFORT PRODUCTS WSS-3XT is a 3-piece, 1/2 inch drive extension set designed for professional technicians who need reliable torque transfer in tight or hard-to-reach fastener locations. Extension sets in this drive size are standard equipment for HVAC, plumbing, and mechanical service work where socket access is limited by panels, flanges, or structural clearance. The set allows technicians to adapt their existing 1/2 inch drive ratchets and breaker bars to a wider range of fastener positions without switching drive sizes. The unit weighs 2.183 pounds and is sold individually as a complete set.
This extension set is suited for residential and light commercial service environments. Common applications include equipment changeouts, panel removal, mounting hardware installation, and mechanical assembly work across HVAC, refrigeration, plumbing, and general mechanical trades. The 1/2 inch drive size is the standard choice for higher-torque fastener work encountered in compressor mounting, air handler installation, and similar mechanical service tasks.
Designed for use with standard 1/2 inch drive ratchets, breaker bars, torque wrenches, and impact tools commonly used in HVAC, plumbing, and mechanical service applications.
This extension set is used by licensed HVAC technicians, plumbers, pipefitters, and general mechanical service professionals. Before beginning any fastener work on live equipment, de-energize electrical systems and close isolation valves as required by the applicable service procedure. Ensure the extension is fully seated in the drive socket before applying torque to avoid slippage or rounding of fasteners. Follow all applicable safety and trade codes for the system being serviced.
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