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The WILLIAMS COMFORT PRODUCTS 13550 is a replacement hook jaw designed for 6-inch pipe wrenches. The hook jaw is the lower, fixed jaw that grips the workpiece during pipe wrench operation. When the original jaw becomes worn, chipped, or damaged, this direct-replacement component restores full gripping function without requiring a complete wrench replacement. Licensed plumbers, pipefitters, and HVAC technicians who depend on 6-inch pipe wrenches for close-quarters work will find this part a practical service item to keep on the truck.
This hook jaw fits into typical 6-inch pipe wrench service scenarios including residential and light commercial plumbing repairs, gas-line fitting work, and HVAC refrigerant-line connections where smaller pipe wrench sizes are standard. It is sold individually and is intended for field-level maintenance of existing tool inventory rather than new tool purchase.
Designed as a replacement hook jaw for 6-inch pipe wrenches. Verify jaw-slot dimensions and tooth pattern against your existing wrench before installation, as fitment varies by wrench manufacturer and model.
Hook jaw replacement is a straightforward hand-tool service task typically performed by plumbers, pipefitters, or HVAC technicians. Remove any retained pin or screw securing the existing jaw before swapping components. Inspect the heel jaw and spring for wear at the same time, as these parts experience similar duty cycles. Ensure the replacement jaw seats fully and moves freely before returning the wrench to service.
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