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The WILLIAMS COMFORT PRODUCTS JHW1226TSB is a 12-point straight box end wrench with a 13/16 inch opening, built for trade professionals who need reliable fastener access in tight spaces. The straight box head design keeps the wrench low-profile, making it practical when clearance is limited around fasteners. At 1.495 pounds and approximately 10.8 inches in length, it handles the physical demands of daily shop and field use. Both SAE and corresponding metric fastener sizes are marked on the tool, reducing guesswork during service calls.
This wrench is suited for mechanical and maintenance work across HVAC, plumbing, electrical, and general trade applications. The tubular shaft design allows the wrench to run down nuts quickly without the handle attached, then accept a handle for final torque when maximum turning power is needed. This makes it especially useful for reaching fasteners in confined equipment bays or panel spaces where a full-size wrench would not fit.
Designed for use with 13/16 inch fasteners in trade and industrial service applications; compatible with optional handles designed for the Williams tubular box wrench system where the handle bore matches this wrench shaft.
Confirm the fastener size matches the 13/16 inch opening before applying torque to avoid rounding fastener corners. When attaching an optional handle, ensure the locking button is fully seated in the handle hole before applying turning force. As with all hand tools used in HVAC, plumbing, or electrical service work, de-energize or isolate equipment per applicable codes before accessing fasteners on live systems.
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