R-430 Square O-Ring (ID: 5 1/8", CS 1/4", OD 5 5/8"), 240PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..
Square O-Ring (ID:15 mm, CS:2 mm, OD:19 mm), 8PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..
.R-428 Square O-Ring (ID: 4 7/8", CS 1/4", OD 5 3/8"), 240PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
R-357 Square O-Ring (ID: 5 1/2", CS 3/16", OD 5 7/8"), 120PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..
R-128 Square O-Ring (ID: 1 1/2", CS 3/32", OD 1 11/16"), 90PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.