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 9 mm Nominal Width 2.6 mm Actual Inside Dia 9 mm Actual Width 2.6 mm Color Green Durometer 70 Shore A Meets/Exceeds ASTM D2000 SAE J200 Nominal Outside Dia 14.2 mm Actual Outside Dia 14.2 mm Temp Range -15 Degrees to 100 Degrees F FDA Approved No Package Quantity 50