'O-Ring, No Metal Detectable, No X-Ray Detectable, System of Measurement Metric, Cross Section Shape Round, O-Ring Material Viton, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 6.0mm, Nominal Width 2.0mm, Actual Inside Dia. 6.0mm, Actual Width 2.0mm, Color Black, Durometer 75 Shore A, Meets/Exceeds SAE J200, ASTM D2000, Nominal Outside Dia. 10.0mm, Actual Outside Dia. 10.0mm, Temp. Range -15 Degrees to 400 Degrees F, Package Quantity 25'