Fitting Wrench A fitting wrench, also known as a flare nut wrench or line wrench, is a specialized hand tool designed for loosening or tightening fittings, particularly in automotive and plumbing applications. These wrenches are commonly used to work with fittings, such as nuts and couplings, that have a hexagonal or square-shaped outer surface. Uses: Automotive Applications Plumbing Hydraulics General Maintenance Fitting wrenches are valuable tools for professionals in the automotive, plumbing, and hydraulic industries, as well as for DIY enthusiasts who perform maintenance and repairs in these areas.
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