OOK No Stud Drywall Metal Picture Hanger is great for those Heavy Duty Frames you want to easily hang. After, making a small pilot hole in drywall that is at least 1/2" or 5/8" thick, simply thread the hanger piece through the washer. Place on desired hang location and with picture hanging nails, gently hammer nails into pre-drilled holes in washer. This picture hanger will hold up to 200 lbs.