These SAE nitrile O rings are used to create a tight seal when used in plumbing, hydraulics, air and other industrial applications. They are resistant to extreme changes in temperature, air, water, petrol and its various production forms, natural gas, silicones and solvents. They are complete in a storage box and ideal for workshop and heavy industrial use. Inside Dia. Outside Dia. Section Qty 3/32\" 15/64\" 9/128\" 10 1/8\" 1/4\" 1/16\" 20 5/32\" 9/32\" 1/16\" 20 9/16\" 3/4\" 3/32\" 10 5/8\" 13/16\" 3/32\" 10 11/16\" 7/8\" 3/32\" 10 5/16\" 7/16\" 1/16\" 15 3/8\" 1/2\" 1/16\" 10 5/8\" 3/4\" 1/16\" 10 3/16\" 5/16\" 1/16\" 20 7/32\" 11/32\" 1/16\" 15 1/4\" 3/8\" 1/16\" 15 3/4\" 15/16\" 3/32\" 10 3/4\" 1\" 1/8\" 10 13/16\" 1-1/16\" 1/8\" 10 3/8\" 9/16\" 3/32\" 10 7/16\" 5/8\" 3/32\" 10 1/2\" 11/16\" 3/32\" 10