The O-RING 1 X 1-1/4 from DOUBLE HH MANUFACTURING is a high-quality sealing solution designed for various applications. This pack contains 100 pieces, ensuring you have ample supply for your projects. Made from durable materials, these O-rings provide excellent resistance to wear and tear, making them ideal for hydraulic and pneumatic systems. With a standard size of 1 inch inner diameter and 1-1/4 inch outer diameter, they fit a wide range of fittings and connectors. These O-rings comply with industry standards, ensuring reliability and performance in demanding environments.