Proto J1222MASD Combination Wrench 22 Mm Satin

Product Description

The PROTO J1222MASD is a 22 mm combination wrench built for professional tradespeople who need reliable, long-service hand tools in demanding environments. It combines a 12-point box end with an open end, both sized at 22 mm, and features a 15-degree offset angle on the box end to improve knuckle clearance in tight spaces. The wrench measures 12.5 inches overall and is machined from steel with a corrosion-resistant satin finish. It meets ASME B107.100 standards and is tether capable, making it suitable for work at height or in environments where dropped tools are a safety concern.

This wrench fits standard residential and commercial maintenance, mechanical, and industrial service applications. It is well suited for HVAC equipment assembly, pipe flange fasteners, structural hardware, and general mechanical work where a 22 mm fastener is common. The tether-capable design supports compliance with tool-drop prevention programs on job sites, scaffolding, and elevated platforms. Licensed tradespeople and journeymen working in HVAC, plumbing, and industrial settings will find the offset box end particularly useful on recessed or partially obstructed fasteners.

Key Features

• 22 mm head size fits both open-end and 12-point box-end applications
• 15-degree offset box end provides knuckle clearance in confined spaces
• Tether capable for use in tool-drop prevention programs at height
• Corrosion-resistant satin finish resists rust in wet or outdoor environments
• Meets ASME B107.100 standard for combination wrenches
• Limited lifetime warranty

Compatibility

Designed as a standard 22 mm combination wrench for use with metric fasteners across residential, commercial, and industrial service applications.

Installation Notes

This wrench is a hand tool requiring no power source or special installation. Always select the correct size wrench to prevent rounding fastener heads. When using on elevated work surfaces or platforms, attach an approved tether to the designated tether point before beginning work. Inspect the wrench for cracks or deformation before each use and remove from service if damage is found.