【O-Ring Rubber Packing】 ⚫︎ 10 pieces [Size] - 12 mm outer diameter, 4 mm inner diameter, 4 mm 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°F (-20°C) to 212°F (100°C) [Application] - Widely used in high-pressure washers, filters, pumps, water hoses, piping pipes, maintenance, etc. [Note] - Please check the required size and material before purchasing and place it in the appropriate location. ⭐️Free Shipping⭐️ Immediate purchase welcome⭐️ 【Please check the actual photos for the condition of the product♪】 #Yukano's product list is here ✨☜ ・Taken out of the box or bag once for photography and inspection, but unused. ・Please understand that it is stored at home and shipped in simple packaging before purchasing (⁎ᵕᴗᵕ⁎) ※In order to sell at a slightly lower price, we may ship it out of the box due to shipping costs. 43-27.957 uxcell O-Ring Rubber Packing O-ring Heat Resistant Oil Resistant Waterproof Nitrile Rubber Metric Sealing Gasket 12mm Outer Diameter 4mm Inner Diameter 4mm Width 10 pieces