The Arrow Greens Nickel Silver from MCKICKS is a dart set with barrels from Nickel Silver. The Arrow Green 21 gram Nickel Silver dart is a straight model with a strong ringed and knurled grip over the entire barrel. The Arrow Greens are finished with green colors and made for the novice darter. The dart set comes standard with the McKicks Clear Lightning Green Flight, the Lightning Slim Green Shafts and Steel Dart Points Black 28 mm. 21G = Barrel Length: 58.30mm, Barrel Width 7.80mm.