Williams JHW1230YSC 15/16 Inch Combination Wrench Hi-vis Yellow

Product Description

The WILLIAMS COMFORT PRODUCTS JHW1230YSC is a 15/16 inch combination wrench built for trade professionals who demand precision and durability on fasteners in tight or demanding work environments. It features a SUPERCOMBO open end with specially designed grooves that redirect wrench force away from fastener corners, reducing the risk of rounding. The SUPERTORQUE box end applies wrenching forces to the flat surfaces behind hex points rather than at the corners, enabling higher torque application without deforming fasteners. The wrench is finished in Hi-Vis Yellow for quick identification in a busy tool kit.

This wrench is suited for mechanical, HVAC, plumbing, electrical, and general trade work wherever 15/16 inch hex fasteners are encountered. The box end meets or exceeds aerospace specification AS 954 for 12-point fasteners as defined by AS 870, making it appropriate for precision torque applications. The open end and box end openings are identical in size, giving the technician consistent fitment from both ends. It is sold as a single unit and is appropriate for both residential and commercial service work.

Key Features

• SUPERCOMBO open end with grooves that direct force away from fastener corners to reduce rounding
• SUPERTORQUE box end contacts flat surfaces behind hex points, not corners, allowing higher torque without fastener deformation
• Meets or exceeds aerospace specification AS 954 for 12-point fasteners per AS 870
• Compatible with all common 6-point hex fasteners with advantage over conventional box end wrenches
• Box end and open end openings are identical at 15/16 inch
• Hi-Vis Yellow finish for fast visual identification in the field

Compatibility

Designed for use on standard 15/16 inch hex fasteners, including both 6-point and 12-point configurations, across mechanical, HVAC, plumbing, and electrical trade applications. Conforms to ANSI B107.6 federal specifications.

Installation Notes

This combination wrench is a hand tool requiring no power source or special installation. Always ensure the wrench opening is fully seated on the fastener before applying torque to prevent slippage. Inspect the wrench for cracks or deformation before use, and do not use cheater bars or extensions that exceed the handle design. Follow applicable trade and safety codes for fastener torque requirements in your specific application.

Technical Specifications

• Opening Size: 15/16 inch
• Length: 13.19 inches
• Width: 1.97 inches
• Height: 0.98 inches
• Weight: 1.195 pounds
• Finish: Hi-Vis Yellow
• End Types: SUPERCOMBO Open End and SUPERTORQUE Box End
• Standard: ANSI B107.6
• Aerospace Specification: Meets or exceeds AS 954 for 12-point fasteners per AS 870
• UPC: 662459901620
• Sold As: Each

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: JHW1230YSC