These 5/16" brass compression sleeves are perfect for creating a connection on copper and brass pipe or tubing. They easily assemble with a pair of pliers and create reliable, watertight seals when paired with brass or copper nuts, fittings and valves. Durable and dependable design ensures long-term usage. Features: - Easy to install - Reliable, watertight seal - Corrosion resistant brass material Benefits: - Flexibility in connecting pipe components without soldering - Improves fluid flow due to the constant force on the joint making for smoother turn arounds and sharper bends - Cost effective installation