HTS code 9902.12.12 covers "Mounts of plastics, designed to secure cameras of subheading 8525.80.40 to a person's head; each mount incorporating an adjustable head-strap designed to encircle the forehead, a strap designed to cross the top of the user's head, a plastic mount designed to clip the camera to the head strap, a thumbscrew to allow the mounting of the camera and the adjustment of the viewing direction of the camera on a pivot (provided for in subheading 3926.90.99) " under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.