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The PROTO J1213MBASD is a 13 mm combination wrench designed for professional trade use in mechanical, industrial, and maintenance applications. It features a 15-degree offset head angle on the box end, which provides clearance in tight fastener areas where a straight wrench cannot fit flush. The wrench is constructed from steel with a corrosion-resistant finish and spans 7-29/32 inches overall. A 12-point box end allows engagement on both standard and worn fasteners from multiple positions. The tether-capable design meets working-at-height requirements where dropped tools present a safety hazard.
This wrench is suited for mechanical contractors, industrial maintenance technicians, and assembly professionals working on equipment with metric fasteners. The 15-degree offset and straight handle make it practical for use in confined spaces on machinery, structural components, and equipment frames. The tether-capable feature makes it appropriate for elevated work environments such as towers, elevated platforms, and facilities with dropped-object prevention programs. It is intended for use by tradespeople who require a durable, code-compliant hand tool for repetitive fastener work.
Designed as an OEM-style replacement or direct-use combination wrench for metric fastener applications requiring a 13 mm opening with a 15-degree offset box end.
This wrench is used by mechanical and industrial maintenance technicians working on metric-fastened equipment. Before servicing any machinery, de-energize electrical systems and relieve hydraulic or pneumatic pressure per applicable lockout/tagout procedures. When used in elevated environments, attach an approved tether lanyard to the tether point before beginning work. Do not use this wrench as a striking tool or apply extensions to the handle beyond its designed use.
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