This auction is for an assortment box of 225 SAE Nitrile O-Rings use for applications such as hydraulic fittings, fuel lines, air, water lines and many industrial applications. Resistant to heat, air, water, fuels, solvents. Comes in handy storage case. You will always have just the Correct size right at your fingertips. Many applications can use these O-Rings. Great for restoring Classic Cars, Tractors,boats, small engines and machinery. See Photo for quantity of each size. A full selection of Nitrile Rubber O-Rings in one convenient kit. Great for all home projects and auto restoration. These O-Rings can run anywhere from .15 cents to .35 cents each at your local hardware store!!  A GREAT BARGAIN HERE!!. Please add 4.00 shipping in the Continental U.S. Thanks for looking & good luck.