The McMaster-Carr 5344K31 Twist-Claw Hose Coupling is a high-quality fitting designed for use with 3/4″ NPT female lines. This product comes in a convenient pack of 5 units, making it ideal for various industrial and hydraulic applications. With the trusted brand of McMaster-Carr, you can rely on the durability and performance of these twist-claw hose couplings to ensure a secure connection for your plumbing and hydraulic systems.