The AS568-218 SIMRIZ Z7257 seal features a 1-1/4" inner diameter and a 1-1/2" outer diameter, with a thickness of 1/8". This product from Freudenberg-NOK is designed for high performance in various industrial applications. The SIMRIZ material is known for its exceptional resistance to a wide range of chemicals and high temperatures, making it ideal for hydraulic and pneumatic applications. This seal meets industry standards, ensuring compatibility and reliability in demanding environments. The Z7257 is engineered to provide a secure and effective sealing solution, enhancing the longevity of your equipment.