【Most-Used Size Combination】Includes 2× 1/4" + 2× 3/8" + 1× 1/2" flare nuts, carefully selected based on real HVAC and DIY usage frequency — no rarely used sizes, no wasted parts.
【SAE 45° Flare Standard】Precision-machined to SAE 45-degree flare specification, ensuring a tight, leak-free seal when used with flared copper tubing (NOT for compression fittings).
【Solid Brass Construction】Made from high-quality brass for excellent corrosion resistance, durability, and long service life — suitable for refrigeration, air conditioning, fuel, gas, and plumbing systems.
【Wide Application】Commonly used for mini split AC systems, refrigerators, ice makers, HVAC copper lines, fuel lines, and gas connections — ideal for technicians and home DIY repairs.
【Time-Saving Assortment Kit】No need to guess sizes or buy multiple packs — this practical flare nut set keeps the most common sizes on hand, reducing downtime and return risks.