Fierce and competitive, the Gorilla Grip Tough Koat Steel Tip Darts - 1/4 in. Barrel are constructed with high-quality materials and designed for accuracy. They have 90% durable tungsten shafts, 1/4-inch barrels, and Tough Koat steel tips. Weighing in at 23 grams, they are weighted to your preference and will help you win your next competition. Packaged within a Deluxe Metal Croc Case, this set includes three darts, six additional tips, and replacement flights. 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 1/4-inch barrel * Textured grip for superior handling * Each dart weighs 23 grams * Tough Koat steel tips for precision * Includes replacement flights * 6 additional tips * Comes with Deluxe Metal Croc Case