Cushion your facility and office doors when they open. The IVES FS438 1-3/8″ floor stop should be used where a door threshold exists, or if you have an undercut door. Complete with a replaceable, gray, non-marring rubber bumper, the FS438 is manufactured out of brass, or aluminum (US28 finish only). Meets standards for heavy-duty classification. Available in a wide selection of architectural finishes to integrate with various design styles.