"HILLMAN" HOLLOW WALL ANCHOR *Size: 1/4L *Drill size: 1/2" *Grip range: 5/8" to 1-3/16" *Body length: 2-1/2" *Screw length: 2-3/4" *When anchor is fully expanded, spider-like legs draw tightly against backside of the wall *Two prongs on the head of the shell prevent the anchor from rotating during expansion *Ideal for use in drywall, paneling, plywood, block and more *Card/2