SAMMY X-PRESS SWIVEL™ Swivel Rod Mount anchors consist of a threaded fastener and expandable sleeve which allows threaded rod to hang plumb in extreme roof pitches (89° in z-purlin and 45° in metal deck for 12/12 pitch). These anchors install in seconds with Sammy X-Press It® Tool, saving time & installation costs. Use in applications where access to the back of the installed fastener is prohibited. ie. metal roof deck, tubular steel, or vapor barrier fabric. Assembled in the U.S.A.