The Premium Whites Mighty Grip 90% from MCKICKS is a dart set with 90% Tungsten barrels. The Mighty Grip 90% dart is a straight model with a black ringed grip. The Premium White Mighty Grip darts are extremely well known because they have been in the McKicks range for years. It is also a comparable dart to the one that currently throws the best darts player in the world. The McKicks Mighty Grip Dart arrows are made in 3 weights; 21-23-25 grams. The Premium White Mighty Grip Darts are made in New Zealand, where high-quality darts come from. The dart set comes standard with the Mighty Grip Flight, the short Blue Glowlite Shafts and Steel Dart Points Black 35mm. 21G = Barrel Length: 52.30mm, Barrel Width 6.35mm. 23G = Barrel Length: 52.30mm, Barrel Width 6.20mm. 25G = Barrel Length: 54.10mm, Barrel Width 6.35mm.