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The CHANNELLOCK INC 818 is an 18-inch adjustable wrench built for heavy-duty trade use across plumbing, mechanical, and general service work. Constructed from chrome vanadium steel with a chrome finish, it delivers the strength and corrosion resistance professionals expect in demanding job-site conditions. The longer jaw design increases grip force and reduces the risk of slippage or nut rounding. Thinner jaws allow access in confined spaces where standard wrenches cannot reach. Measurement scales on both the front and back of the wrench assist with quick sizing of nuts, pipe, and tube diameters without a separate gauge.
This adjustable wrench is suited for residential and commercial applications where a reliable, large-capacity hand tool is needed. Plumbers, pipefitters, HVAC technicians, and general mechanical contractors will find the 818 useful for fastening and loosening oversized nuts and bolts. The minimal head width improves clearance in tight installations, and the 4-thread knurl adjustment provides a non-protruding jaw profile that maximizes jaw capacity for larger fasteners.
Designed as a general-purpose adjustable wrench suitable for use in plumbing, HVAC, and mechanical service applications requiring a large-capacity, long-handled hand tool.
This tool is typically used by licensed plumbers, HVAC technicians, and pipefitters working on fasteners, fittings, and connections. Always confirm the jaw is fully seated and adjusted snugly against the fastener before applying force to prevent rounding. Inspect the adjustment knurl for debris or wear before use in critical applications. Store with the jaw closed to protect the knurl mechanism.
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