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The WILLIAMS JHW40257 is a rectangular telescoping inspection mirror designed for visual access in tight, hard-to-see spaces. The glass mirror face measures 3.5 inches long by 2.125 inches wide and sits on a ball-joint swivel for precise angle adjustment. The handle extends to a full 15.25 inches from a collapsed handle length of 4 inches, giving technicians the reach needed to inspect behind panels, inside cabinets, or around obstructions. The vinyl and nylon handle provides a secure grip during use. This tool is a standard piece of hand equipment for HVAC technicians, plumbers, electricians, and other trade professionals who need eyes in confined spaces without disassembly.
The JHW40257 is suited for residential and light commercial service work. Common applications include inspecting heat exchanger surfaces, flue connections, pipe fittings, junction boxes, and mechanical assemblies where direct line of sight is not possible. The non-magnifying glass mirror delivers an undistorted view, and the ball-joint swivel allows the mirror face to be locked at any angle needed for the inspection task. The tool ships individually and requires no additional components to put into service.
General-purpose telescoping inspection mirror suitable for use across HVAC, plumbing, electrical, and mechanical service applications wherever visual inspection of concealed or obstructed areas is required.
No installation is required. Before using this mirror in any live electrical enclosure, de-energize the circuit per NEC guidelines. When inspecting gas appliance components such as heat exchangers or flue connections, shut down the appliance and allow surfaces to cool before bringing the mirror into contact with any surface. Handle with care to avoid mirror breakage in confined spaces.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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