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The PROTO J1234S is a 12-point combination wrench designed for heavy-duty fastener work in trade and industrial settings. Built from steel with a polished finish, it features a 1-1/16 inch head size and a 15-degree offset angle that provides knuckle clearance in tight spaces. The overall length is 6-19/32 inches and the unit weighs 0.846 pounds. Corrosion resistance is built in, and the wrench meets ASME B107.100-2010 standards. It is tether capable, making it suitable for use in elevated or safety-critical work environments where dropped tools are a hazard.
This wrench is appropriate for use by HVAC technicians, plumbers, electricians, and general mechanical tradespeople working on equipment fasteners, pipe fittings, and structural hardware. The 15-degree offset head allows access to recessed or partially obstructed fasteners without requiring full swing clearance. The straight handle and polished steel construction keep it serviceable in both shop and field conditions. It is packaged individually and can be ordered as a single unit.
Designed as a standard combination wrench for 1-1/16 inch fasteners across residential and commercial trade applications including HVAC, plumbing, and electrical equipment service.
This wrench is a hand tool requiring no installation. Before use on live equipment, de-energize electrical systems per NEC guidelines, shut off gas supply per IFGC requirements, or isolate fluid systems per IPC procedures as applicable to the job. When working at height, attach the tether point to an approved tool lanyard to prevent dropped-tool incidents. Inspect the wrench for cracks or deformation before each use.
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