.R-435 Square O-Ring (ID: 5 3/4", CS 1/4", OD 6 1/4") (1 Square O-Ring) The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
R-025 Square O-Ring (ID: 1 3/16", CS 1/16", OD 1 5/16"), 48PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
.R-266 Square O-Ring (ID: 8", CS 1/8", OD 8 1/4"), 60PK 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:1.5 mm, OD:17 mm), 6PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces..