Hit the bullseye with the Gorilla Grip Silver Steel Tip Darts - 17/64 in. Barrel. This complete set includes three darts, six additional tips, replacement flights, and a durable carrying case. Designed for accuracy, these darts have textured grips that will improve your throw; they weigh 21 grams. These darts have silver steel tips and 90% tungsten shafts with 17/64-inch barrels. About Bottelsen Bottelsen Dart Company is an American manufacturer of championship steel- and soft-tip darts. Home of the famous Hammer Head No Bounce Dart, Bottelsen has set the standard for professional darts for over 30 years. All of their darts are made in the USA. Bottelsen is located in Santa Maria, Calif. * Durable 90% tungsten shafts with 17/64-inch barrel * Textured grip for superior handling * Each dart weighs 24 grams * Silver steel tips for precision * Includes replacement flights * 6 additional tips * Comes with Deluxe Metal Croc Case