O-Ring, No Metal Detectable, No X-Ray Detectable, System of Measurement Metric, Cross Section Shape Round, O-Ring Material Nitrile, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 10 mm, Nominal Width 1.9 mm, Actual Inside Dia. 10 mm, Actual Width 1.9 mm, Color Green, Durometer 70 Shore A, Meets/Exceeds ASTM D2000, SAE J200, Nominal Outside Dia. 13.8 mm, Actual Outside Dia. 13.8 mm, Temp. Range -15 Degrees to 100 Degrees F, No, Package Quantity 50