Diameter: 11/16"
Diameter 2: 7/8"
Thickness: 3/32"
Material: Rubber
Nominal Size: #115
Type: O-Ring

Box of 20.

An O-ring is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a disc-shaped cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface.