The SW-JS(051) 1-1/4 X.025X 5/16 from Field Tool Supply is a specialized joint seal designed for effective sealing in mechanical systems. Measuring 1-1/4 inches in diameter, with a thickness of .025 inches and a width of 5/16 inch, this seal is made from high-quality materials that provide excellent durability and resistance to wear. It meets industry standards, ensuring reliability in various applications, including automotive and HVAC systems. This joint seal is engineered to provide a secure fit, preventing leaks and enhancing overall system efficiency.