The THRILLER Coated Brass from BULLS is a dart set with barrels of Black Brass made for the novice darter. The Black Brass Thriller is finished with a nice red ringed grip and this model comes in 1 weight; 21 grams. The Thriller 21 grams comes standard with the Bull's Thriller Powerflite, the Nylon Medium Black Shaft and the Bull's Steel Dart Points Black 32mm. The Bull's Thriller is also available in Softtip. 21G = Barrel Length: 51.60mm, Barrel Width 8.50mm.