Williams Comfort Products JHW7731A Box End Wrench 3/4 X 7/8 in

Product Description

The WILLIAMS COMFORT PRODUCTS JHW7731A is a 12-point offset box end wrench with a 3/4 inch by 7/8 inch opening, built for professional fastener work in tight or obstructed spaces. The wrench features a SUPERTORQUE box opening design that contacts the flat surfaces of hex fasteners rather than the corners, allowing higher torque to be applied without rounding or deforming fastener points. A 10-degree offset box end provides additional clearance when working in confined areas. Size markings are stamped on the handle ends for quick identification. This tool is suited for mechanical and trade applications where fastener integrity and access clearance both matter.

The JHW7731A is used in residential and commercial maintenance, mechanical assembly, HVAC service, and general trade work wherever a double-ended box wrench is needed. The 3/4 inch and 7/8 inch openings cover common fastener sizes found in equipment installations, structural connections, and service panels. The offset angle is particularly useful when a standard straight wrench cannot seat fully due to surrounding components or surfaces. It is sold individually and is appropriate for use by licensed technicians, journeymen mechanics, and experienced service professionals.

Key Features

• SUPERTORQUE 12-point box opening contacts flat fastener surfaces, not corners, reducing the risk of rounding under high torque
• 10-degree offset box end provides clearance in confined or obstructed work areas
• Dual openings: 3/4 inch and 7/8 inch, covering two common fastener sizes in a single tool
• Size markings on handle ends allow fast identification without measuring
• Meets ANSI B107.6 federal specification standards

Compatibility

Designed as an OEM-style replacement or direct-use box end wrench for professional trade applications requiring 3/4 inch or 7/8 inch 12-point fastener engagement.

Installation Notes

This wrench is intended for use by qualified trade professionals including HVAC technicians, plumbers, electricians, and mechanical service personnel. Before applying torque to any fastener in a live system, ensure power is off and any pressurized lines are depressurized according to applicable safety codes. Use the correct opening size for the fastener to avoid slippage. Do not use extensions or cheater bars beyond the wrench handle that could exceed the tool's rated torque capacity.

Technical Specifications

• Opening Sizes: 3/4 inch and 7/8 inch
• Point Count: 12-point
• Offset Angle: 10 degrees
• Length: 12.4 inches
• Width: 0.9 inches
• Height: 1 inch
• Weight: 0.73 pounds
• Unit of Measure: Each
• Standard: ANSI B107.6

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: JHW7731A