Ideal for low to medium pressure applications, these 1/4 in. Brass Compression Nuts are perfect for use with brass sleeves. The brass construction is naturally corrosion resistant. Use with copper, brass, aluminum or plastic tubing on gasoline, grease, oil, or water. Three pieces per package Suitable for gasoline, grease, oil, and water Use for low to medium-pressure applications A-3 Brass construction for superior corrosion resistance Use with copper, brass, aluminum or plastic tubing on gasoline, grease, oil, water Do not overtighten Not recommended for use with steel tubing Not lead-free