The Silverstar Gary Anderson P2 80% from UNICORN is a dart set with 80% Tungsten barrels and is the ultimate dart set from Scottish dart player DGary Anderson. This personalized Gary Anderson dart set comes in 4 weights; 20-22-24-26 grams. 20G = Barrel Length: 50.80mm, Barrel Width 6.50mm. 22G = Barrel Length: 50.01mm, Barrel Width 6.88mm. 24G = Barrel Length: 50.39mm, Barrel Width 7.14mm. 26G = Barrel Length: 49.71mm, Barrel Width 7.49mm.