Gearwrench 81678 21mm Combination Wrench 12-point

Product Description

The GEARWRENCH 81678 is a 21 mm combination wrench built for professional technicians who need a reliable, full-size hand tool on the job. The wrench features a 12-point box end with an offset head design, allowing clearance in tight spaces where a straight profile won't fit. The open end and box end work together to handle both standard fastening and break-loose tasks. Constructed from steel with a polished finish, the 81678 measures 11-13/16 inches overall length and resists corrosion for long service life in demanding shop and field environments.

This wrench is suited for use in automotive, HVAC, plumbing, and general mechanical service applications wherever 21 mm fasteners are encountered. The offset box end is particularly useful when working around obstructions on equipment panels, pipe flanges, and mechanical assemblies. It is designed for use by licensed technicians and experienced tradespeople who require a durable, standards-compliant hand tool. The polished steel finish aids in visual inspection and cleanup after use in oily or dirty environments.

Key Features

• 21 mm head size fits standard metric fasteners
• 12-point box end provides multiple engagement positions on hex fasteners
• Offset head design improves clearance in confined spaces
• Polished steel construction with corrosion-resistant properties
• 11-13/16 inch overall length for leverage on larger fasteners
• Meets ANSI and ASME standards for combination wrenches
• Backed by a lifetime warranty

Compatibility

Designed as a standard metric combination wrench for use with 21 mm hex fasteners across a wide range of mechanical, HVAC, plumbing, and automotive service applications.

Installation Notes

This tool is intended for use by qualified tradespeople familiar with hand tool safety practices. Inspect the wrench for cracks or deformation before each use and do not use a cheater bar or extension on the handle. Apply force in the pull direction where possible to reduce the risk of slipping. Store in a dry location to preserve the corrosion-resistant finish.