1/4" 180PCS BRASS COMPRESSION FITTINGS: 75pcs sleeves ferrules, 75pcs tubing inserts, and 30pcs nuts for O/D 1/4" tube. WIDE ALLPICATION: Brass compression sleeves ferrules inserts and nuts are widely used in hydraulic and pneumatic systems, connecting lines for air, water, fuel, oil and inert gases, such as connecting copper, brass, aluminum or plastic pipes.
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