"HILLMAN" HOLLOW WALL ANCHOR *Size: 3/16L *Drill size: 3/8" *Grip range: 3/4" to 1-1/8" *Body length: 3-1/8" *Screw length: 3-1/2" *Holds up to 70 lbs *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/10 *Discovery SUP