AS568-210 0.734" ID x 0.139" (Metric: 18.64 mm ID x 3.53 mm) Black EPDM rubber 70 durometer 2,000 pcs./bag SKU: WH2-DS-U3215/U3646 Category: Parts Call to Purchase Email a Consultant Related Products EPDM O-rings – 1.359″ ID x .139″ EPDM O-rings – 0.984″ ID x 0.139″