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The APEX 81906 is a 6-piece flare nut wrench set manufactured from alloy steel with a full polish chrome finish. Flare nut wrenches are designed to grip hex nuts on tubing connections, providing more contact points than an open-end wrench and reducing the risk of rounding fasteners. Each wrench in the set carries two sizes, reducing overall tool count in the bag or box. The standard pattern body suits technicians who need a reliable, non-ratcheting option for fuel, brake, and refrigerant line work where tube presence prevents a standard box wrench from seating.
This set is well suited for HVAC technicians, plumbers, and automotive service professionals working on tubing connections in tight or congested service areas. Common applications include tightening and loosening flare fittings on refrigerant lines, fuel lines, brake lines, and other hydraulic or pneumatic tube assemblies. The dual-size design on each wrench keeps the set compact and practical for field service use.
Designed as an OEM-style replacement and general-service flare nut wrench set suitable for use on hex-type flare fittings found in HVAC, plumbing, and fluid-line service applications.
Flare nut wrenches are installed and removed by licensed HVAC technicians, plumbers, and qualified service professionals. Always relieve system pressure and isolate refrigerant, fuel, or hydraulic lines before breaking any fittings. Select the correct size wrench to avoid slipping and fastener damage. Work in accordance with applicable codes including IFGC and IPC where fluid or gas lines are involved.
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