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The PARAMOUNT PAR37102 is a long-arm hex key designed for fastening and loosening hex socket fasteners in tight or recessed locations. The extended arm provides greater reach and improved torque leverage compared to standard short-arm designs. Constructed from steel, this tool measures 2-27/32 inches in overall length and is built to withstand the repetitive demands of trade use. It is a standard inch-system tool suitable for HVAC, plumbing, electrical, and general mechanical service work where hex drive fasteners are encountered.
This hex key is appropriate for residential and light commercial service applications. The long-arm configuration is especially useful when accessing fasteners in panels, equipment housings, or assemblies where a short-arm key cannot achieve the necessary reach or leverage. It is a common hand tool carried by HVAC technicians, plumbers, and electricians for routine service and installation tasks.
Designed as a standard inch-system hex key for use with hex socket fasteners found in HVAC equipment, plumbing fixtures, electrical enclosures, and general mechanical assemblies.
This tool is used by licensed tradespeople across HVAC, plumbing, and electrical disciplines. No power-down or system shutoff is required for the tool itself, but always follow appropriate lockout/tagout procedures before servicing any equipment the fastener is part of. Inspect the tool for wear or deformation before use and replace if the hex end shows rounding or cracking.
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