R-239 Square O-Ring (ID: 3 5/8", CS 1/8", OD 3 7/8"), 90PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..
R-354 Square O-Ring (ID: 5 1/8", CS 3/16", OD 5 1/2"), 8PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
.Square O-Ring (ID:14 mm, CS:2 mm, OD:18 mm), 60PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
R-232 Square O-Ring (ID: 2 3/4", CS 1/8", OD 3"), 4PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
Square O-Ring (ID:20 mm, CS:2 mm, OD:24 mm), 8PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..