The kit includes 382 pieces of O-rings in 30 commonly used SAE sizes, ranging from 1/8" ID x 1/4" OD to 1-3/4" ID x 2-1/8" OD.

The O-rings are constructed from Nitrile rubber, which offers resistance to heat, low/high temperatures, air, water, petroleum products, mineral oil, hydraulic fluids, natural gases, kerosene, silicone fluids, and non-aromatic fuels and solvents.

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