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The WILLIAMS COMFORT PRODUCTS JHW1731A is a double-opening, standard open end wrench with a 3/4-inch and 7/8-inch opening on opposing ends. Built to ANSI B107.6 specifications, this wrench features a continuous arc jaw design that resists spreading under load and outperforms older open-void (OVO) designs in strength and durability. Each end is chamfered at 45 degrees to allow fast, accurate seating on fastener flats, reducing slippage during turning. The satin-chrome finish reduces glare, improves grip in oily conditions, and wipes clean with minimal effort. Plumbers, HVAC technicians, pipefitters, and general service trades reach for this wrench on bolted connections, union fittings, and mechanical equipment service tasks.
This wrench is suited for residential and light commercial maintenance work where standard imperial fastener sizes are encountered. The 3/4-inch and 7/8-inch openings cover common sizes found on pipe unions, valve packing nuts, equipment mounting hardware, and mechanical fittings. At 9.5 inches in overall length and 0.53 pounds, it provides adequate leverage without excessive bulk in a tool bag or service truck. It is sold individually and is appropriate for any trade requiring a dependable, ANSI-rated hand wrench in this size range.
Designed for use with standard imperial fasteners in the 3/4-inch and 7/8-inch size range, as commonly found on plumbing, HVAC, and mechanical equipment hardware.
Hand tools of this type require no power shutdown before use, but always de-energize or isolate any system component before loosening or tightening fasteners on live mechanical or fluid systems. Ensure the correct opening size is fully seated on the fastener flats before applying torque to avoid rounding. Follow applicable codes such as IFGC or IPC when servicing gas or plumbing connections. Inspect the wrench periodically for cracks or jaw spread and retire any damaged tool from service.
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