The AS568-216 SIMRIZ Z7257 seal features a 1-1/8" inner diameter and a 1-3/8" outer diameter, with a thickness of 1/8". This product from Freudenberg-NOK is engineered for high performance in various sealing applications. The SIMRIZ material is known for its exceptional resistance to chemicals and temperature fluctuations, making it ideal for industrial use. This seal complies with industry standards, ensuring compatibility with numerous systems. The Z7257 is perfect for hydraulic and pneumatic systems, providing a reliable and effective sealing solution.