Hillman 7/16 in. x 9/16 in. x 1/16 in. Nitrile O-Ring (12-Pack)

O-rings are one of the simplest, yet most engineered, precise and useful seal designs ever developed. These O-rings are made of high-strength Nitrile (Buna-N) rubber. O-rings are ideal for myriad applications such as DIY projects, plumbing services, and contracting work.