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The WILLIAMS COMFORT PRODUCTS 13551 is a replacement hook jaw designed for 8-inch pipe wrenches. The hook jaw is the lower, fixed jaw component that grips the workpiece during pipe and fitting rotation. When the original jaw becomes worn, chipped, or loses its bite, replacing it restores full wrench function without requiring a complete tool replacement. This part is sold individually and is intended for installation by plumbers, pipefitters, and general tradespeople who rely on pipe wrenches for day-to-day work on threaded pipe systems.
This hook jaw is sized specifically for 8-inch pipe wrenches and suits residential and light commercial plumbing applications. Typical use involves threaded pipe assembly and disassembly on water supply lines, drain systems, and gas piping where a pipe wrench is part of the standard tool kit. Replacing a worn hook jaw rather than discarding the entire wrench is a common cost-saving practice on the job site.
Designed as a replacement hook jaw for 8-inch pipe wrenches. Verify jaw attachment style and wrench model before ordering to confirm fitment.
Installation is performed by plumbers or pipefitters as a standard tool-maintenance task. Remove any fasteners or pins retaining the worn jaw before swapping in the replacement, and ensure all retaining hardware is fully seated before returning the wrench to service. No special codes govern tool repair, but always confirm the replacement jaw is fully secured before applying torque to any fitting.
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