O-Ring, No Metal Detectable, No X-Ray Detectable, System of Measurement Inch, Cross Section Shape Round, O-Ring Material Buna N, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 1 1/4 in, Nominal Width 3/32 in, Actual Inside Dia. 1.237 in, Actual Width 0.103 in, Dash Number 124, Color Black, Durometer 70 Shore A, Meets/Exceeds ASTM D2000, NBR 70, Nominal Outside Dia. 1 7/16 in, Actual Outside Dia. 1.443 in, FDA Approved No, Package Quantity 25