The AS568-263 SIMRIZ SZ485 is engineered for optimal sealing performance with a 7-1/4" inner diameter and a 7-1/2" outer diameter, featuring a thickness of 1/8". This product from Freudenberg-NOK is crafted from high-quality SIMRIZ material, providing exceptional resistance to various fluids and environmental conditions. Ideal for hydraulic and pneumatic applications, it meets stringent industry standards for reliability and safety. The precise dimensions ensure a perfect fit, enhancing the efficiency and longevity of your systems.