.R-237 Square O-Ring (ID: 3 3/8", CS 1/8", OD 3 5/8"), 2PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
.R-360 Square O-Ring (ID: 5 7/8", CS 3/16", OD 6 1/4"), 8PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
.Square O-Ring (ID:10 mm, CS:2 mm, OD:14 mm), 36PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
.R-121 Square O-Ring (ID: 1 1/16", CS 3/32", OD 1 1/4"), 24PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
R-229 Square O-Ring (ID: 2 3/8", CS 1/8", OD 2 5/8"), 90PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..