.R-360 Square O-Ring (ID: 5 7/8", CS 3/16", OD 6 1/4"), 240PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
R-224 Square O-Ring (ID: 1 3/4", CS 1/8", OD 2"), 8PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..
.R-255 Square O-Ring (ID: 5 5/8", CS 1/8", OD 5 7/8"), 48PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
.R-020 Square O-Ring (ID: 7/8", CS 1/16", OD 1"), 6PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.