The AS568-246 SIMRIZ Z7257 is a premium sealing solution with a 4-1/2" inner diameter and a 4-3/4" outer diameter, featuring a thickness of 1/8". This product from Freudenberg-NOK is made from high-quality SIMRIZ material, known for its excellent resistance to oils and chemicals. It is designed for use in various industrial applications, ensuring a reliable seal under pressure and temperature variations. The Z7257 meets industry standards for quality and performance, making it a dependable choice for professionals.