Gearwrench 86129 Double Box End Wrench 5/16 in 12 Pt

Product Description

The GEARWRENCH 86129 is a double box end wrench built for professional technicians who need reliable torque in tight spaces. It features a 5/16 inch box end on both sides with a 12-point design, allowing engagement at multiple angles without repositioning. The 0-degree head offset angle keeps the wrench low-profile against fasteners, useful when working in confined engine bays, HVAC equipment cabinets, or plumbing access areas. The ratcheting mechanism adds speed on repetitive fastener work without removing the wrench from the fastener. Constructed from chromium-vanadium steel with a polished finish, the wrench resists corrosion and holds up under regular shop use. HVAC technicians, plumbers, and electricians keep this size in rotation for equipment panels and small-diameter hardware.

This wrench fits standard residential and light commercial service applications where 5/16 inch fasteners appear on equipment covers, brackets, electrical panels, and mechanical assemblies. The double-end configuration provides flexibility when clearance dictates a specific approach angle. At 13.52 inches in length and 0.18 pounds, it is light enough to carry in a tool pouch without adding bulk. The ratcheting box end reduces the arc needed to advance a fastener, which matters most in restricted access points common to HVAC and electrical work.

Key Features

• Ratcheting 12-point box ends allow faster fastener engagement without repositioning
• 0-degree head offset angle for low-profile work in tight clearances
• Chromium-vanadium steel construction for strength and durability under torque
• Polished, corrosion-resistant finish extends service life in wet or humid environments
• Double-end configuration provides two engagement options from a single tool
• Meets ASME B107.6 and ANSI specifications for dimensional and performance standards
• Backed by a limited lifetime warranty

Compatibility

Designed for use with standard 5/16 inch fasteners across residential and commercial service applications including HVAC equipment, plumbing fixtures, electrical enclosures, and general mechanical assemblies.

Installation Notes

This wrench is intended for use by licensed trade professionals and experienced technicians. Before servicing any equipment, de-energize electrical systems at the breaker and shut off fluid or gas supply as required by applicable codes. Inspect the wrench for cracks or wear before each use and do not use extensions or cheater bars that exceed the tool design. Follow all applicable OSHA and trade-specific safety guidelines when working in confined spaces.