This pack of 100 Buna-N O-Rings is designed for a wide range of applications requiring durability and resistance to harsh environments. Crafted from high-quality 90A durometer black Buna-N rubber, these O-Rings offer excellent resistance to oils, solvents, and chemicals. With a round cross-section, these O-Rings measure 5/8" inner diameter, 13/16" outer diameter, and 3/32" width, making them suitable for sealing and gasket applications. Buna-N O-Rings are known for their superior performance in temperature extremes, ranging from -40°F to 275°F. Whether you're working on automotive, industrial, or plumbing projects, this pack of 100 O-Rings ensures you have a reliable supply on hand. Additional Details ------------------------------ Product description: This pack of 100 Buna-N O-Rings is designed for a wide range of applications requiring durability and resistance to harsh environments. Crafted from high-quality 90A durometer black Buna-N rubber, these O-Rings offer excellent resistance to oils, solvents, and chemicals. With a round cross-section, these O-Rings measure 5/8" inner diameter, 13/16" outer diameter, and 3/32" width, making them suitable for sealing and gasket applications. Buna-N O-Rings are known for their superior performance in temperature extremes, ranging from -40°F to 275°F. Whether you're working on automotive, industrial, or plumbing projects, this pack of 100 O-Rings ensures you have a reliable supply on hand.