The Nitto Kohki 8S-A Brass Socket Coupler Valve Type Medium Pressure Cupla, FKM is a high-quality fitting designed for use in hydraulics, pneumatics, pumps, and plumbing systems. Made in Japan, this medium pressure coupler features a valve type design and is made of durable brass with FKM seals for added reliability. It is suitable for various industrial applications and offers a secure connection for efficient fluid transfer.