uxcell Nitrile Rubber O-Rings 8mm OD 4mm ID 2mm Width, Metric Sealing Gasket for Automotive Machine Plumbing, Pack of 200

[Size] - 8mm Outside Diameter, 4mm Inner Diameter, 2mm Cross-Section Diameter. [Hardness] - 70A Durometer (Shore Hardness) for resistance to penetration. [Nitrile Rubber] - Standard Nitrile Butadiene Rubber with a wide temperature range from -4℉ (-20°C) to 212℉ (100°C). The o rings has smooth surface, great oil and heat resistance, wear-resistant and good sealing performance. [Application] - These small rubber o rings are widely used for automotive, pressure washer, filter, pump, water hose, plumbing pipe, engines, valves, air conditioning maintenance and much more. [NOTE] - Please confirm the required size and material before purchase, and put it in the right place