SAMMY X-PRESS SIDEWINDER™ Horizontal Application Rod Mount Anchors consist of a threaded fastener and expandable sleeve which provides horizontal attachment in 16 ga - 3/16” steel, purlins, and tubular steel. These anchors Installs 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.