Professional Nitrile O Rings for commercial or occasional use. Assorted Nitrile O rings Imperial size O rings. Specially designed 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 productions forms, natural gas and silicones. Meet application temperature ranging between 45 degrees C and 165 degrees C. SAE Sizes SET INCLUDES THE FOLLOWING: • 10 x Nitrile O Rings - 3/32" x 15/64" x 9/128" • 10 x Nitrile O Rings - 9/16" x 3/4" x 3/32" • 15 x Nitrile O Rings - 5/16" x 7/16" x 1/16" • 20 x Nitrile O Rings - 3/16" x 5/16" x 1/16" • 10 x Nitrile O Rings - 3/4" x 15/16" x 3/32" • 10 x Nitrile O Rings - 3/8" x 9/16" x 3/32" • 20 x Nitrile O Rings - 1/8" x 1/4" x 1/16" • 10 x Nitrile O Rings - 5/8" x 13/16" x 3/32" • 10 x Nitrile O Rings - 3/8" x 1/2" x 1/16" • 15 x Nitrile O Rings - 7/32" x 11/32" x 1/16" • 10 x Nitrile O Rings - 3/4" x 1" x 1/8" • 10 x Nitrile O Rings - 7/16" x 5/8" x 3/32" • 20 x Nitrile O Rings - 5/32" x 9/32" x 1/16" • 10 x Nitrile O Rings - 11/16" x 7/8" x 3/32" • 10 x Nitrile O Rings - 5/8" x 3/4" x 1/16" • 15 x Nitrile O Rings - 1/4" x 3/8" x 1/16" • 10 x Nitrile O Rings - 13/16" x 1-1/16" x 1/8" • 10 x Nitrile O Rings - 1/2" x 11/16" x 3/32" Comes in a plastic resalable case for easy storage and transportation as well as easy identification of the different O rings.