O-Ring, No Metal Detectable, No X-Ray Detectable, System of Measurement Inch, Cross Section Shape Round, O-Ring Material EPDM, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 1 1/4 in, Nominal Width 1/16 in, Actual Inside Dia. 1.239 in, Actual Width 0.07 in, Dash Number 026, Color Black, Durometer 70 Shore A, Meets/Exceeds ASTM D2000, EPDM 70, Nominal Outside Dia. 1 3/8 in, Actual Outside Dia. 1.379 in, FDA Approved No, Package Quantity 50