The AS568-212 SIMRIZ Z7257 seal features a 7/8" inner diameter and 1-1/8" outer diameter with a thickness of 1/8". This product from Freudenberg-NOK is engineered for high performance in various industrial applications. The SIMRIZ material is known for its excellent chemical resistance and thermal stability, making it ideal for harsh operating conditions. This seal complies with industry standards, ensuring compatibility with a wide range of systems. The Z7257 is perfect for hydraulic and pneumatic applications, providing a reliable and effective sealing solution.