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The WILLIAMS COMFORT PRODUCTS JHW3552M is an ultra-thin pattern service wrench designed for professional use on jam nuts and fasteners in confined or restricted spaces. It features a 52 MM opening and a 30-degree offset head that allows technicians to reach fasteners that standard wrenches cannot access. The overall length is approximately 8.5 inches, and the wrench is finished in satin chrome for corrosion resistance and a clean appearance. This tool is sized for each-unit use and is suited for HVAC, plumbing, and general mechanical service work where clearance is limited.
This wrench is well suited for commercial and residential service applications where jam nuts are common — such as valve packing nuts, panel fasteners, or fixture lock rings. The ultra-thin head profile makes it especially useful in tight access panels and equipment cabinets where conventional box or open-end wrenches cannot be positioned effectively. Trade technicians working in confined mechanical spaces will find the offset head geometry reduces knuckle clearance problems and improves torque application angle.
Designed as a general-purpose service wrench for professional trade use on 52 MM fasteners, jam nuts, and similar hardware in HVAC, plumbing, and mechanical service applications.
This wrench is a hand tool installed and used by licensed HVAC technicians, plumbers, and mechanical service professionals. Always de-energize and isolate the system being serviced before applying any hand tools to live components or pressurized connections. Inspect the wrench for cracks or deformation before each use and do not apply extensions or cheater bars beyond the designed handle length.
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