The CEJN 981-1588 GG Pneumatic Auto-Coupling Nipple is a high-quality fitting designed for use in hydraulic, pneumatic, pump, and plumbing systems. Made by the reputable brand CEJN in the United States, this unit features a unique auto-coupling design for easy and efficient connection. With a single unit quantity available, this pneumatic nipple is a reliable and durable option for various industrial applications requiring dependable fittings and adapters.