The 5/16" OD Brass Compression Sleeve (Ferrule) is essential for creating secure connections in plumbing systems. Made from high-quality brass, this ferrule ensures durability and resistance to corrosion, making it suitable for various applications. Its precise dimensions guarantee a snug fit on 5/16" OD tubing, providing reliable sealing under pressure. This compression sleeve is compatible with a range of fittings and is ideal for use in water, gas, and air lines. Easy to install, it is a must-have for any plumbing toolkit.