Pack of 20 O-Rings 38mm OD 3.2cm ID 0.3cm Width

38mm outer diameter, 3.2cm internal diameter, 0.3cm cross section diameter. 70A Durometer (Shore Hardness) for Penetration Resistance. Standard nitrile butadiene rubber with a wide temperature range from -4℉ (-20°C) to 212℉ (100°C). Widely used for pressure washer, filter, pump, water pipe, plumbing pipe, garage maintenance, mechanics and much more. Please confirm the required size and material before purchase, and put it in the right place.