The 21g Winmau Navigator darts are mid-range darts from Winmau Darts, finished with 90% tungsten. The product consists of 1 set of darts ((3 bodies), 1 set of long nylon rods (3 rods) and 1 set of feathers (3 feathers). Dart body size Max length 48.3mm Diameters 5.5mm - 6.35mm It's called "Rosca 2ba