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The WILLIAMS COMFORT PRODUCTS JHW10658 is a metric flare nut wrench with a 19 x 21 MM opening and an overall length of 8.875 inches. It is designed to grip flare fittings on pipes and tubing without rounding or damaging the fitting surfaces. The recessed corner ends deliver added turning leverage in tight spaces, and the satin-chrome textured finish improves grip under working conditions. Plumbers, HVAC technicians, and refrigeration techs reach for this style of wrench when disconnecting or tightening flare fittings on refrigerant lines, fuel lines, and brake tubing. It meets ANSI B107.9M specification.
This wrench is suited for metric flare-fitting applications in both residential and light commercial service work. It is a practical addition to any service tech tool kit where metric tubing connections are common, particularly on imported equipment, mini-split systems, and metric-dimensioned copper or steel line sets. The 19 x 21 MM opening covers two common metric fitting sizes in a single tool.
Designed for use with metric flare fittings on pipes and tubing where a 19 MM or 21 MM opening is required.
This tool is used by licensed HVAC technicians, refrigeration mechanics, and plumbers working on flare-fitting connections. Always relieve system pressure and follow applicable safety procedures before disconnecting any pressurized line. Do not use extensions or cheater bars on the wrench handle, as this can damage the tool or fitting. Follow ANSI and applicable local codes for fitting torque and connection standards.
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