Made to withstand the elements, this double-headed Bear Claw Hanger installs with a Phillips screwdriver into wood, lath and plaster or drwyall, and will bore into concrete or brick with pilot hole. The exposed collar is ideal for keyholes, sawtooths and wire, will work with D-rings. Holds up to 30lbs in drywall, and 100lbs when installed into a wood stud. Wll not rust, erode or corrode. 4 pk