AS-012: 1. Description: S-568 standard O-ring 2. Material: NBR 3. Size: 9.25mm ID x 1.78mm C/S 4. Color: Black 5. Usual high-temperature resistance range: -30 - +100 centigrade Ningbo OMEDA Auto Part Co., Ltd is an automotive based corporation, which is engaged in sealing area, steering area, transmission system and automotive sound system. We have more than 14 years experience in automotive industry.