Channellock 818N Adjustable Wrench 18.5 in Black Finish

Product Description

The CHANNELLOCK 818N is a heavy-duty adjustable wrench built for trade professionals who need reliable fastener control on the job. Finished in black with a tapered handle, this wrench measures 18.5 inches in overall length and includes both SAE and metric scale markings engraved directly on the tool. The lockable jaw and reversing capability add versatility for confined spaces and varied fastener orientations. At 4.88 pounds, it carries substantial heft suited to high-torque applications in mechanical, plumbing, and HVAC service work. It meets ASME B107-100 standards and is backed by a lifetime warranty.

This wrench is suited for residential and commercial service environments where a single adjustable tool needs to cover a wide range of fastener sizes. Typical applications include pipe fitting, equipment installation, valve work, and general mechanical assembly. The dual SAE and metric scale markings make it useful across both standard and metric fastener systems without requiring a separate reference. Plumbers, HVAC technicians, pipefitters, and general contractors will find it practical as a primary or backup wrench on service calls.

Key Features

• 18.5-inch overall length for extended reach and leverage on large fasteners
• Lockable jaw maintains set opening during use, reducing slip
• Reversing capability allows use in both tightening and loosening orientations
• SAE and metric scale markings printed on the wrench for quick sizing reference
• Black finish provides corrosion resistance for field and shop environments
• Meets ASME B107-100 standards with a lifetime warranty

Compatibility

Designed as a general-purpose adjustable wrench for use across plumbing, HVAC, mechanical, and construction service applications where a wide jaw range and dual measurement scale are required.

Installation Notes

This tool is used by licensed plumbers, HVAC technicians, pipefitters, and mechanical contractors for fastener work during installation and service. Always ensure the jaw is fully seated and locked on the fastener before applying torque to prevent rounding. Inspect the adjustment mechanism before each use to confirm smooth operation. Follow applicable trade codes and job-site safety requirements when using hand tools in pressurized or energized systems.