R-439 Square O-Ring (ID: 6 1/2", CS 1/4", OD 7"), 240PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..
R-038 Square O-Ring (ID: 2 5/8", CS 1/16", OD 2 3/4"), 6PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..
.Square O-Ring (ID:22 mm, CS:2 mm, OD:26 mm), 20PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
R-358 Square O-Ring (ID: 5 5/8", CS 3/16", OD 6"), 48PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..
R-366 Square O-Ring (ID: 7 1/4", CS 3/16", OD 7 5/8"), 2PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
R-325 Square O-Ring (ID: 1 1/2", CS 3/16", OD 1 7/8"), 12PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.