R-123 Square O-Ring (ID: 1 3/16", CS 3/32", OD 1 3/8"), 48PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..
R-364 Square O-Ring (ID: 6 3/4", CS 3/16", OD 7 1/8"), 240PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..
R-213 Square O-Ring (ID: 15/16", CS 1/8", OD 1 3/16"), 36PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..
.R-252 Square O-Ring (ID: 5 1/4", CS 1/8", OD 5 1/2"), 20PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
.R-027 Square O-Ring (ID: 1 5/16", CS 1/16", OD 1 7/16"), 36PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.