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The PROTO J1220BASD is a 5/8 inch combination wrench built for professional tradespeople who need a reliable, corrosion-resistant hand tool for fastener work in confined or angled spaces. The wrench features a 15-degree offset head angle and a 12-point box end, making it suitable for turning hex fasteners where straight access is limited. The open end provides quick engagement on flat-sided fasteners. Constructed from steel and meeting ASME B107.100-2010 standards, this wrench carries a lifetime warranty. It is tether capable, making it appropriate for use in elevated or safety-critical environments where dropped tools are a hazard.
This combination wrench is used across mechanical, HVAC, plumbing, and electrical trades wherever 5/8 inch fasteners are encountered. The straight handle and 15-degree offset box end suit typical under-equipment or panel work where a flat wrench cannot clear surrounding components. At 9-13/32 inches overall length, it provides adequate leverage without excessive bulk. The tether-capable design makes it suitable for rooftop equipment service, elevated platforms, and any jobsite with drop-zone restrictions.
Designed for use with 5/8 inch hex fasteners in residential and commercial trade applications including HVAC equipment service, plumbing rough-in, and general mechanical work.
This wrench is installed and used by licensed HVAC technicians, plumbers, electricians, and mechanical tradespeople. Always ensure fasteners are fully seated in the wrench jaw before applying torque to prevent rounding. When using in tethered applications, attach the tether to an approved anchor point before beginning work. Inspect the wrench for cracks or deformation before each use and remove from service if damage is found.
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