[200in1 Set] - 200 pieces o-rings with separated clear plastic storage case
[Multiple Size] - 15 different metric sizes from 6mm O.D. to 30mm O.D.
[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
