"HILLMAN" POLY-TOGGLE *5/8"-3/4", long *Drill size: 5/16" *Min. wall thickness: 5/8" *Use in wallboard, solid masonry or hollow doors *Use with sheet metal screw *Screw activated *Exact fit assures solid holding power *Made of polypropylene *Box/100 *Discovery CON, NBR, SUP, HWU