Sold as a single rivet. Aluminum pop rivet for lighter duty applications and when smaller rivets are needed. Officially called Black Rivet AA68D part number 01.1315.1558. Commonly used for canoe decks and seats. Rivet fits into a 3/16 inch hole. Grip range is assumed to be as much as 1/2 inch. Sold as a single rivet. Same as Mad River Pop Rivets. RVT-HDW