Nitrile - 1.85mm ID x 1.5mm C/S O Ring. 1.85x1.5 . Choose Pack Size New Metric
O Rings - 1mm C/S - Nitrile. O Rings - 1.5mm C/S - Nitrile. O Rings - 2mm C/S - Nitrile. O Rings - 2.5mm C/S - Nitrile. O Rings - 3mm C/S - Nitrile. Nitrile - 1.85mm ID x 1.5mm C/S O Ring. The material is Nitrile (NBR 70).