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The WILLIAMS COMFORT PRODUCTS JHW1230RSC is a 15/16 inch combination wrench built for trade professionals who need reliable torque performance on hex and 12-point fasteners. The open end uses a SUPERCOMBO design with machined grooves that redirect wrenching force away from fastener corners, reducing the risk of rounding. The box end uses a SUPERTORQUE design that contacts the flat surfaces behind fastener points rather than the corners, allowing higher torque application without deforming the fastener. Both the box end and open end share the same 15/16 inch opening. The Hi-Vis Red finish makes the tool easy to locate on a busy job site. This wrench meets aerospace specification AS 954 for 12-point fasteners as defined by AS 870.
This combination wrench is suited for mechanical, HVAC, plumbing, and electrical trade work where fastener integrity and torque accuracy matter. The SUPERTORQUE box end is especially useful when working in confined spaces or on fasteners that have already seen wear. The SUPERCOMBO open end provides the access and flexibility needed for quick wrench placement in tight or awkward positions. It is sold individually and is appropriate for use on all common 6-point hex fasteners as well as 12-point aerospace-grade fasteners where precision torque-to-tension relationships are required.
Designed for use on standard 15/16 inch hex (6-point) fasteners and 12-point fasteners meeting AS 870 dimensional requirements. Suitable for general mechanical and trade applications where ANSI B107.6 compliant combination wrenches are specified.
This wrench is a hand tool intended for use by licensed and qualified trade professionals. Always ensure the wrench opening is fully seated on the fastener before applying torque to prevent slippage or fastener damage. Inspect the wrench for cracks or wear before each use and remove from service if damage is found. No power tools or adapters should be used with this wrench beyond its hand-tool design intent.
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